Question

Which number represents the value of the quotient below?
5.0 × 10^8 / 2.0 × 10^4
Question 3 options:

2.5 × 10 2


2.5 × 10 4


3.0 × 10 2


3.0 × 10 4

Answer 1

$\dfrac{5.0\cdot10^8}{2.0\cdot10^4}=\dfrac{5}{2}\cdot10^{8-4}=\boxed{2.5\cdot10^4}\\\\Used:\\\\\dfrac{a^n}{a^m}=a^{n-m}$