Count the significant digits in each of these measurements: number of significant digits measurement 95200. kg -1 7.8 x 10 mL -1 = 5.0 x 10 kJ/mol 0.003400 J

Q: least accurate

A: 0.00110 = accuracy till 5 decimal 643.21 = accuracy till 2 decimal ( least accurate) 3.045= accuracy…

Q: Use scientific notation to express each quantity with only base units (no prefix multipliers).a. 4.5…

A: Units of measurement- SI prefixes are used to prepare decimal multiples. SI prefixes are tabulates…

Q: I. Significant Figures and Conversion A. Scientific Notation 1. 58 cm → km 2. 67 W → MW 3. 196 mL →L

A: Note : as per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost…

Q: Round 19047 x 10^-2 to 3 significant figures and put in scientific notation.

A: All zeros between non-zeros are significant. 10 raise to powers are non significant. Zeros after…

Q: Perform each conversion from one metric unit of mass to another. 86.7 kg = mg 0.255 µg = cg

A: Here, the unit conversion has to be done from  kilogram (kg) to milligram (mg) and from microgram…

Q: A flask containing 8.02 mL of a liquid 163.3 g with the liquid in the flask and 155.0 g when empty.…

A: Given,  Volume of the liquid = 8.02 mL  Mass = (163.3 - 155.0) g             = 8.3 g

Q: 12. The number of significant figures in 2.10 x 105 A. 6 В. 5 С. 4

A: The term significant figures refer to the number of important single digits (0 through 9 inclusive)…

Q: Carry out the given conversions from one metric unit of length to another. 88.3 Mm = km 5.71 nm = mm…

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Q: 11. Write each of the following numbers in standard scientific notation. a. 97,820 = b. 42.14 × 103…

A: Scientific notation is a format which helps us to write too large or too small numbers in simple…

Q: A flask containing 7.50 mL of a liquid weighs 168.1 g with the liquid in the flask and 160.1 g when…

A: Density :-  It is defined as the ratio of mass of a substance to volume of that substance under the…

Q: A flask containing 9.55 mL of a liquid weighs 157.2 g with the liquid in the flask and 148.4 g when…

A: Given: Weight of liquid containing flask=157.2 g Weight of empty flask= 148.4 g  Volume of the…

Q: A flask containing 7.56 mL of a liquid weighs 164.7 g with the liquid in the flask and 156.5 g when…

A: The density of any substance is the ratio of its mass to its volume. therefore ,

Q: Use the prefix multipliers to express each measurement without exponents. a. 1.2 x 10-9 m b. 22 x…

A: Certain prefix multipliers are used while denoting the quantities which indicate that the power of…

Q: -4.0 x 10* A student sets up the following equation to convert a measurement. (The ? stands for a…

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Q: g/cm')? 2. Three students use a meterstick to measure a length of wire. One student records a…

A: As per our guidelines, I can only answer first question because you have posted multiple questions.…

Q: Carry out the following multiplications and divisions, expressing your answer in scientific notation…

A: a)  (3.20 × 107) × (1.720 × 105)       ( 3.20 × 1.720) ×10(7+5)            5.504 × 1012

Q: Convert 3.09 x 10^-3 m to the equivalent length in nanometers 3.09 x 10^-3 m =

A: In this question, we will Converted m to nm unit  You can see details Solution below.

Q: Write 0.00293 in scientific notation with two significant digits. 2.9 x 10-3 2.9 x 103 2.93 x 10-3…

A: In scientific notation, we write a number with only one digit before the decimal. 10 raised to power…

Q: Perform the following calculations and give each answer with the correct number of decimal places:a.…

A: Significant figures provide accurate and precise calculations. It helps in presenting the numbers in…

Q: The prefix “micro-“ means 1 x 10^-6. Convert 752 micrometers to meters.

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Q: Use prefixes to for the following measurements     a) 2.5 X10‐6g  b) 0.001 m  c) 0.0000005 L    d) 1…

A: Given number is 2.5*10-6 g. The prefix for the factor 10-6 is micro.

Q: Use prefix multipliers to express each measurement without any exponents. a. 38.8 x 10^5g

A: Given: mass= 38.8 ×10^5 gram To find : use prefix multipliers to express measurement  Solution : As…

Q: Complete each row of the table below by filling in the missing prefix or missing exponent. 1 ds 10…

A:

Q: Ketamine, sometimes used as an adjuvant to general anesthesia, is available as a 1.0 % (w/v)…

A: We have to calculate mass of ketamine

Q: Convert 9.71 x 10-³ m to the equivalent length in nanometers. 9.71 × 10-3 m = nn

A: Unit conversion involves multiplication or division of numerical factors,  result should be obtained…

Q: Calculate the volume in units of cm3 for 24.4 x106 tons aluminum.  The density of aluminum is 2.70…

A: Given: Mass of aluminium = 24.4 × 106 tons. And density of aluminium = 2.70 g/cm3

Q: Convert 6.95 x 102 mg to pounds using 1 lb = 453.6 g as a conversion factor

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Q: 1.04 km to cm

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: The answer, in scientific notation, to the calculation (1.5 x 10 4) / (8.7 x 10 -3) is 1.7 x 102…

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Q: Use the prefix multipliers to express each measurement without exponents.a. 1.2 * 10 - 9 m…

A: Prefixes are used to express the number in different units.  a. The given number is 1.2×10-9 m. One…

Q: convert to three significant figures 5.14900*10-3

A: All non zero digits are considered in the significant figures.

Q: (5) One meter contains how many micrometers? A: 1x 109 B: 1 x 10-9 C: 1 x 10-6 D: 1 x 103 E: 1 x 106

A: 1 Meter contains 1 × 106 micrometres.

Q: A chemist prepares a mixture of ethanol and water at a temperature of 23.0 °C. He measures out 38.5…

A:

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: The proper scientific notation for 0.004050 is:      a. 4.05 x 10-4                b. 4.05 x 104…

A: Scientific notation: The scientific notation of a number is nothing but expressing a number in the…

Q: Determine the number of significant figures in each measurement.  a. 0.049450 s       c. 3.1587 × 1…

A: Rules to determine significant figures:  1. Non-zero digits are significant. Example - 23.54  has…

Q: 11. If a urine sample has a mass of 122 g and a volume of 121 mL, what is its density in g/mL? 12.…

A: Density is given as: Density=MassVolume

Q: Perform the following conversions. Be sure to show your work and report your answer with the correct…

A: Different type of given units can be changed into other units using conversation.  Normally one…

Q: Carry out each calculation and give the answer using the proper number of signifi cant fi gures. a.…

A: We are authorized to answer three subparts at a time since you have not mentioned which part you are…

Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…

A:

Q: Write the numbers in scientific notation. 1099 =      x 10^a                        a=     0.00095=…

A: Write the numbers in scientific notation-

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: 1km = 1000 m 1m = 100 cm

Q: For Questions #6 through #14, perform all of the following for each question: 1. calculate the…

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Q: Complete the following table. Be sure each of your answer entries has the correct number of…

A: Any property that is measured or calculated must be expressed with appropriate units, in order to…

Q: Use scientific notation to express each quantity with only base units (no prefix multipliers). a.…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Complete the following table. Be sure each of your answer entries has the correct number of…

A: 1 kcal = 103 Cal1 kcal =4.184 KJ

Q: Decide whether each proposed multiplication or division of measurements is possible. If it is…

A: Introduction :- We can always multiply or divide measurements having same unit or different units.…

Q: Determine the number of significant digits in each of the following 234 204.6 0.00245 10.00245…

A: The number of significant digit rule  The non zero digits are present , then they all are…

Q: A student sets up the following equation to convert a measurement. (The? stands for a number the…

A:

Q: Calculate the volume in units of cm3³ for 24.4 x106 tons aluminum. The density of aluminum is 2.7O…

A: Given,    density of Aluminium = 2.70 g/cm3    mass(Aluminium) = 24.4 × 106 tons We know that,…