How to simplify (3times10^1)(10^-2) in scientific notation?

1 Answer
Jul 21, 2018

Simplify the indices of $10$ using the laws of indices,

$3 \textcolor{b l u e}{\times {10}^{1} \times {10}^{-} 2}$

$= 3 \times \textcolor{b l u e}{{10}^{1 - 2}}$

$= 3 \times {10}^{-} 1$