how do you solve 7.2 x10 to the 10th power, over 9 times 10 to the fifth power
72^10/90^5=6.3403380965376 × 10^8
(7.2 x 10^10)/ (9 x 10^5) =
(7.2 / 9) x (10^10 / 10^5) =
0.8 x 10^5 =
8 x 10^4 =
80,000
