write the answer in scientific notation (expression down below)

Question

(4×10^-5)(3.2×10^-8)

Answer 1

(4 x 10^-5)(3.2 x 10^-8) = (4)(3.2) x (10^-5)(10^-8)

= 12,2 x 10^-13

= (1.22 x 10¹) x 10^-13 = 1.22 x 10^-12