Question

evaluate 4 by 7 power 5 x 4 by 7 power minus 3​

Answer 1

Answer:

${ (\frac{4}{7} )}^{5} \times {( \frac{4}{7}) }^{ - 3} \\ = { (\frac{4}{7}) }^{5 + ( - 3)} \\ = { (\frac{4}{7}) }^{5 - 3} \\ = \underline{ \underline{ { (\frac{4}{7}) }^{2} }}$