Question

$31860000000$ in standard form is $3.186\times {10}^m$ then, Value of $m$ is

Answer 1

$Letxbethenumberofdigitsinthenumber,divideby{10}^{x}andmultiplyby{10}^{x}31860000000\ast \frac{{10}^{10}}{{10}^{10}}=3.186\ast {10}^{10}$