Question

The number $0.00000000000942$ in standard form is $9.42\times {10}^m$ Value of $-m$ is

Answer 1

$0.00000000000942$
$=\frac{942}{100000000000000}$
$=\frac{942}{{10}^{14}}$
$=\frac{9.42\times 100}{{10}^{14}}$
$=9.42\times {10}^2\times {10}^{-14}$
$=9.42\times {10}^{-12}$