How do you write 0.0075 in scientific notation?

Mar 23, 2016

$= 7.5 \times {10}^{- 3}$

Explanation:

$0.0075$

$= \frac{75}{10000}$

$= \frac{75}{10} ^ 4$

$= 75 \times {10}^{-} 4$

$= \left(7.5\right) \times 10 \times {10}^{-} 4$

$= \left(7.5\right) \times {10}^{- 4 + 1}$

$= 7.5 \times {10}^{- 3}$