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)a.145.75 + (2.3 × 10–1) 145.75+. 23= 145.98 x 102= 1.4598 x 10b.79,500 ÷ (2.5 × 102)79,500/250= 318= 3.18 x 10c.(7.0 × 10–3) – (8.0 × 10–4) 2 2 1 Copyright © 2016 by Thomas Edison State University. All rights reserved.
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3 10 4.What is the number of significant figures in each of the following measurements? (8 points) 4 2 5 d.2900 g = 2 3 1 1 2 5.Express the results in the proper number of significant figures. (12 points) 6.Carry out the following conversions: (16 points) b.25.4 mg to kilograms = 25.4(1g/1000mg)(1kg/1000g)= kg . 2 Copyright © 2016 by Thomas Edison State University. All rights reserved.
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