Question

Математика ,помогите

Answer 1

2^(16-13)=2^3=8////////////

Answer 2

$frac{ {4}^{8} }{2 {}^{13} } = frac{(2 {}^{2}) {}^{8} }{2 {}^{13} } = frac{ {2}^{16} }{ {2}^{13} } = 2 {}^{3} = 8$