Question

o valor da expressão 2^5.10^5.20^-3 é: a) 300 b) 400 c) 500 d) 600 e) 700

Answer 1

2⁵ × 10⁵ × 20⁻³

32 × 100000 × 1/20³

3200000 × 1/8000

3200000/8000

3200/8

400

<3