awsten88 awsten88 12-12-2018 Mathematics contestada simplify the expression. write the answer in scientific notation. 0.6(6.5 x 10^-5) a. 3.9 x 10^-4 b. 3.9 x 10^-5 c. 7.1 x 10^-5 d. 3.9 x 10^-6