Question

Resolva as expressões abaixo.
a) 9²×9-³
_______
9-²× 9-³

b) 5×5×5×1/5×1/5

c) 2-³ ÷ 2-⁶
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Answer 1

a) 9²×9-³

----------- = 9²+² × 1 = 9⁴

9-²× 9-³

b) 5×5×5×1/5×1/5 = 5³ × 5-² = 5¹ = 5

c) 2-³ ÷ 2-⁶ = 2-³-(-⁶) = 2-³+⁶ = 2³

Answer 2

Resposta:

Oi

Explicação passo-a-passo:

a) 9²×9-³

----------- = 9²+² × 1 = 9⁴

9-²× 9-³

b) 5×5×5×1/5×1/5 = 5³ × 5-² = 5¹ = 5

c) 2-³ ÷ 2-⁶ = 2-³-(-⁶) = 2-³+⁶ = 2³