Question

The standard form of $0.3002457$ is $3.002457\times {10}^{-m}$. The value of $m$ is

Answer 1

$0.3002457$$=\frac{3002457}{10000000}$$=\frac{3002457}{{10}^7}$$=3002457\times {10}^{-7}$$=3.002457\times {10}^{-1}$