STARTING AMOUNT + X The state of Oregon has an entire area of 9.70 × 104 mi² . What is this area in square kilometers ? ADD FACTOR x( ) (1.609)² 9.70 x 104 0.6214 mi² 6.03 × 104 1.56 × 105 km² km (1)² 1 m² ANSWER 1.609 (0.6214)² 2.51 x 105 5280 mi m RESET 5 3.75 x 104

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.