simplify the following expression to scientific notation: (5x10^6)x(2x10^-2)
5x10^6 = 5,000,000
2x10^-2 = 0.02
(5x10^6)x(2x10^-2) = 5,000,000 x 0.02
= 100,000
Since 100,000 = 1x10^5, the expression simplifies to 1x10^5 in scientific notation.