# How do you write 0.0000037 kg in scientific notation?

$37 \times {10}^{-} 7$
$0.0000037 k g = \frac{37}{10000000} k g = 37 \div {10}^{7} = 37 \times \frac{1}{{10}^{7}} = 37 \times {10}^{-} 7$