Correctly rounded, the product 3.000 cm × 30.0 cm is A. 9.0 x

correctly-rounded-the-product-3-000-cm-x-30-0-cm-is-a-9-0-x

Correctly rounded, the product 3.000 cm × 30.0 cm is

A. 9.0 x 10^1 cm^2

B. 9.000 x 10^1 cm^2

C. 9 x 10^1 cm^2

D. 9.00 x 10^1 cm^2

I have been asked this question in class test.

Question is taken from Signifiant Figures topic in chapter Introductory Concepts of Chemical Process Calculation

Correct choice is D. 9.00 x 10^1 cm^2

For explanation: The measurement with the least number of significant digits determines the number of significant digits in the quotient.