Question

14. Adicionando 4 elevado a 15 a 8 elevado a 10, obtemos:

a) 12 elevado a 25
b) 12 elevado a 15
c) 2 elevado a 60
d) 2 elevado a 31
e) 2 elevado a 25

Com resolução!

Answer 1

$4^{15}+8^{10}\to\\\\ 2^{2.(15)}+2^{3.10)}\to\\\\2^{30}+2^{30}\to\\\\2.2^{30}\to\\\\ 2^{2.(30)}\to \\\\\boxed{2^{31}}\\\\\\ Resposta:~Letra~~ D)$

Answer 2

$4^{15} + 8^{10} = (2^{2})^{15} + (2^{3})^{10} = 2^{30} + 2^{30} =2. 2^{30} = 2^{31}$