Introductory Chemistry For Today
8th Edition
ISBN: 9781285644561
Author: Seager
Publisher: Cengage
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Round off each of the following numbers to the indicated number of significant digits, and write the answer in standard scientific notation.
a. 0.0034159 to three digits
b. 103.351x 102 to four digits
c. 17.9915 to five digits
d. 3.365 x 105 to three digits
determine the number of significant digits in each of the following.
a.234 b.204.6 c.0.00245 d.10.0026 e.1100 f.1100.0
round the following numbers to 3 significant digits
a.10.267 b.0.006296 c.2.0097. d.66.35 e.14.45782 f. 2.469x10^3
Place the following numbers in scientific notation rounded to 3 significant digits.
a.246.5 b. 0.00000000000009309 c.1087 d.60233400000000000000000000000000
Multiply 0.25 by 20.40 and yor report your answer to the correct number of significant digits.
A.5.1
B.5.07
C.5
D.5.068
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- II. Write the following number in scientific notation: a. 0.000 543 b. 0.000 000 870 c. 50.7 x 105 d. 63.8 x 10-3 e. 0.0000234 f. 560 000 000 000.0arrow_forwardExpress each number in scientific notation.a. 700 c. 4,500,000 e. 0.0054 g. 0.000000076b. 38,000 d. 685,000,000,000 f. 0.00000687 h. 0.0000000008arrow_forwardExpress the following numbers in scientific notation.a. 34,500 d. 789b. 2665 e. 75,600c. 0.9640 f. 0.002189arrow_forward
- Which of the following numbers conforms to the scientific notation conventions? A. 0.123 x 109 B. -1.23 x 1012 C. 1.23 x 102.1 D. 12.3 x 106arrow_forwardHow many significant digits is 0.02534? A.2 B.6 C.4 D.5arrow_forwardConversions: follow the same format in the image provided and answers must be in scientific notation. a. 9.90 cm to pm b. 7.50 cm to kmarrow_forward
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