Question

Multiply. (2.5×10−10)(7×10−6) express your answer in scientific notation. 1.75×1016 1.75×10−15 1.75×10−16 1.75×10−17

Answer 1

(2,5 x 10^-10)(7 x 10^-6) = (2.5 x 7) x 10^(-10 - 6) = 17.5 x 10^-16 = 1.75 x 10^-15

Answer 2

The answer is  3.5*10^8