Question

8 x 10*-3

Answer 1

Answer:

$\huge\boxed{2\times10^3}$

Step-by-step explanation:

$(8\times10^{-3})\div(4\times10^{-6})=\dfrac{8\times10^{-3}}{4\times10^{-6}}=\dfrac{8}{4}\times10^{-3-(-6)}=2\times10^{-3+6}=2\times10^3$

Used:

$\dfrac{a^n}{a^m}=a^{n-m}\ \text{for}\ a\neq0$