Question

help me please in this question​

Answer 1

Answer:

${ (\frac{2}{5}) }^{3} \times { (\frac{2}{5} )}^{6} = { (\frac{2}{5} )}^{3x} \\ { (\frac{2}{5} )}^{(3 + 6)} = { (\frac{2}{5} )}^{3x} \\ \\ comparing \: the \: powers \: \\ 3 + 6 = 3x \\ 3x = 9 \\ x = 3$