Noiz Noiz Today at 6:40 PM Mathematics Answered Multiply (2.0 • 10^-4) • (3.1 • 10^-20). Express the answer in scientific notation. A. 6.2 • 10^-80. B. 6.2 • 10^-24 C. 6.2 • 10^24 D. 6.2 • 10^80