Question

find the remainder when 9 power by 6 + 7 is divided by 8​

Answer 1

9^(6+7)

9^13.

Now it is clear that remainder is 1.

Answer 2

$\bf{\green{Hola!!}}$

$={\frac{9^{6+7}}{8}}$

$={\frac{9^{13}}{8}}$

$\bf{\red{Remainder={\frac{9^{13}}{8}}}}$