Question

8*10^-3 is how many times as greater as 4*10^-6

Answer 1

(8*10^-3)/(4*10^-6)=2000
it is 2000 times greater
hope this helps

Answer 2

(8 x 10^-3) / (4 x 10^-6)
=(8 / 4) (10^-3 / 10^-6)
= 2 x 10^3


hope it helps