The length, breadth and thickness of a block are given by l=12 cm , b=6cm and t=2.45 cm. The volume of the block according to the idea of significant figures should be

Options

A. `1 xx 10^(2) cm^(3)`
B. `2 xx 10^(2) cm^(3)`
C. `1.763 xx 10^(2) cm^(3)`
D. None of these

Answer

b

Explanation

`"Volume" V = 1 xx b xx t`
`= 12 xx 6 xx 2.45 = 176.4 cm^(3)`
`V= 1.764 xx 10^(2)cm^(3)` since the minimum number of significant figure on in breadth hence volume will also contain one significant figure hence `V = 2 xx 10^(2) cm^(3)`