The correct number of significant figures in the number 4.0 × 10-2 is:

The correct number of significant figures in the number 4.0 × 10-2 is:

The correct number of significant figures in the number 4.0 × 10-2 is: 



A) 1

B) 2

C) 3

D) ambiguous.

E) none of the above



Answer: B


Learn More :