Question

(6,9*10^-2)(5*10^-3)

Answer 1

(6,9*5)*(10^-2 * 10^-3)=34,5*10^-5=3,45*10^-4=0,000345

Answer 2

(6,9*10^-2)(5*10^-3) = 0.069 * 0.005 = 0.000345