# How do you write (5 times 10^-3)^2  in standard from?

${\left(5 \times {10}^{-} 3\right)}^{2} = 0.000025$
${\left(5 \times {10}^{-} 3\right)}^{2} = {5}^{2} \times {\left({10}^{-} 3\right)}^{2}$
$= 25 \times {10}^{- 3 \times 2} = 25 \times {10}^{-} 6 = 0.000025$