What is the number of significant figures in each of the following measurements

# What is the number of significant figures in each of

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4.What is the number of significant figures in each of the following measurements? (8 points) 5.Express the results in the proper number of significant figures. (12 points) a. 5.6792 m + 0.6 m + 4.33 m=10.6092= 10.6m b. 3.70 g – 2.9133 g=0.7867= 0.79g c. 4.51 cm × 3.6666 cm= 16.536366= 16.54 cm 2 d. (3 × 10 4 g + 6.827g)/(0.043 cm 3 – 0.021 cm 3 )= 318.827/.022=14,492.136m 3 (Reference: Chang 1.35) 6. Carry out the following conversions: (16 points) a. 22.6 m to dm= move decimal place over 1 =22.6m to dm=226 dm b. 25.4 mg to kilograms= 0.0000254 kg=2.54*10 -5 2 Copyright © 2016 by Thomas Edison State University. All rights reserved. 7.The average speed of helium at 25°C is 1255 m/s. Convert this speed to miles per hour (mph). (4 points)= (Reference: Chang 1.41) 3 Copyright © 2016 by Thomas Edison State University. All rights reserved. 8.How many minutes does it take light from the sun to reach Earth? (The distance from the sun to Earth is 93 million miles; the speed of light is 3.00 × 108m/s) (4 points)  #### You've reached the end of your free preview.

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• Summer '14
• Statistics, Chemical substance, Chemical compound, Thomas Edison State University, Edison State University
• • • 