Question

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

Answer 1

Answer:

${(1.9 \times {10}^{5}) }^{3}$

open the bracket:

$= {1.9}^{3} \times {10}^{(5 \times 3)} \\ { \boxed{= 6.859 \times {10}^{15} }}$