Вычислите (2×5)4; (2×3)3; (2×100)2; (7×20)2;

Question

Вычислите (2×5)4; (2×3)3; (2×100)2; (7×20)2;

Answer 1

1) 40
2) 18
3) 400
4) 280

Answer 2

(2 • 5) • 4 = 10 • 4 = 40
(2 • 3) • 3 = 6 • 3 = 18
(2 • 100) • 2 = 200 • 2 = 400
(7 • 20) • 2 = 140 • 2 = 280