Question

Simplify the expression and write your answer in
scientific notation: (1.9 X 10^5)^3

Answer 1

`{(1.9 * {10}^(5)) }^(3)`

open the bracket:

`= {1.9}^(3) * {10}^((5 * 3)) \\ { \boxed{= 6.859 * {10}^(15) }}`