Express the answers to the following calculations in scientific notation 12

Express the answers to the following calculations in

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3.Express the answers to the following calculations in scientific notation: (12 points) 1 Copyright © 2016 by Thomas Edison State University. All rights reserved.
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4.What is the number of significant figures in each of the following measurements? (8 points) g.0.7 min=1 5.Express the results in the proper number of significant figures. (12 points) 6.Carry out the following conversions: (16 points) 2 Copyright © 2016 by Thomas Edison State University. All rights reserved.
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3 7.The average speed of helium at 25°C is 1255 m/s. Convert this speed to miles per hour (mph). (4 points) 3 Copyright © 2016 by Thomas Edison State University. All rights reserved.
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