Question

Найдите значение выражения 2,5*2⁴-7²

Answer 1

2,5*2^4-7^2 = 40-49 = -9

Answer 2

2 в 4 степини и7 в2 степени

Answer 3

2^4 = 16
7^2 = 49

Answer 4

$2.5 times {2}^{4} - {7}^{2}$=-9
$1) : 2 times 2 times 2 times 2 = 16$
$2)7 times 7 = 49$
$3)2.5 times 16 = 40$
$4) : 40 - 49 = - 9$