Question

Resolva as expressões


9^10 sobre 9^5 . 9^3

Answer 1

  9^10     =     9^10     = 9^10 : 9^8 = 9² = 81
9^5 . 9³ ¨¨¨¨¨¨¨¨9^8

Answer 2

EXPONENCIAL

$\frac{9 ^{10} }{9 ^{5}*9 ^{3} }= \frac{9 ^{10} }{9 ^{5+3} }= \frac{9 ^{10} }{9 ^{8} }$

=> $9 ^{10}:9 ^{8}=9 ^{10-8}=9 ^{2}=81$