How do you calculate 79500 divided by 2.5x10 2 in scientific notation?

79500 / 2.5 x 102 = 7.95 x 104 / 2.5 x 102

Now divide 7.95 by 2.5 = 3.18

and also divide 104 by 102 = 10(4 - 2) = 102

Thus, 7.95 x 104 / 2.5 x 102 = 3.18 x 102