Answer to Question #147200 in General Chemistry for Kelechi Agbi

Question #147200

Round the following list of numbers to three significant figures.

a. 10,000

b. .00321

c. 0.397000

d. 15.9

e. 0.0421

Expert's answer

Number three significant figures

a. 10,000 = 10.0×10^3

b. .00321 = 3.21×10^-3

c. 0.397000 = 3.97×10^-1

d. 15.9 = 15.9

e. 0.0421 = 4.21×10^-2

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