what is

3 x 10^8 divided by 2.4 x 10^-5

can you explain the exponent part really good please and thank you

(3 x 10^8) ÷ (2.4 x 10^-5)

= (3/2.4) (10^8/10^-5)
= 1.25 (10^13) <------ exponent part: 8 - (-5) = 8+5 = 13
= 1.25 x 10^13