Question

find the value of m: (2upon7)to the power-5 ×(2upon7)to the power m =(2upon7)to the power 6​

Answer 1

$(\frac{2}{7 })^{ - 5} \times \frac{2}{7} ^{6}$

◆ So we Know that in multiplication of same base the power add mutual.

power of base=6+(-5)

=1

$= ( { \frac{2}{7} })^{1}$

Hence The answer Will be

$\frac{2}{7}$