In the final answer of the expression `((29.2-20.2)(1.79xx10^(5)))/1.37`. The number of significant figures is

Options

A. 1
B. 2
C. 3
D. 4

Answer

C

Explanation

On calculation we find
`((29.2-20.2)(1.79 xx 10^(5)))/(1.37)=1.17 xx 10^(6)`
As the least precise number contains 3 significant figures therefore, answers should also contain 3 significant figures.