Question

With due regards to significant figures $5.4\times 0.125$ is equal to:

• A. 0.7
• B. 0.68
• C. 0.667
• D. none of these

Answer 1

The correct option is B 0.68

Least number of significant figures before multiplication is $2$ in one of the multiplying numbers, then after the multiplication also, the answer should be in same number of significant digits.

$5.4\times 0.125=0.675=0.68$