Question

Resolva as expressões.

a. (7²-4³ : 8²) : 2⁴ =
b. (2⁶ + 3⁴ . 8³) . 10² =

me ajudem por favor ​

Answer 1

a)

(7²-4³ ÷ 8²) ÷ 2⁴=

(49 - 64 ÷ 64) ÷ 16=

(49 - 1) ÷ 16=

48 ÷ 16=

3

b)

(2⁶ + 3⁴ × 8³) × 10²=

(64 + 81 × 512) × 100=

(64 + 41.472) × 100=

41.536 × 100=

4.153.600