# How do you express 9.1times10^-5 in standard notation?

Apr 7, 2017

$9.1 \times {10}^{- 5} = 0.000091$

#### Explanation:

$9.1 \times {10}^{- 5}$ is in scientific notation.

To convert it into standard notation one just needs to

multiply $9.1$ by ${10}^{- 5}$ i.e.

divide $9.1$ by ${10}^{5}$ i.e. $100000$. This means shifting decimal point to left by $5$ places.

Hence $9.1 \times {10}^{- 5} = \frac{9.1}{100000} = 0. \underline{00009} 1$