Question

Simplifique:

A#
(7²)³
-------
(7³)²

B#
(3•5²)³
----------
(3²•5)²

ajudem por favor !

Answer 1

Olá,

a)

(7²)³ / (7³)² = 7⁶ / 7⁶ = 1

Resposta: 1

b)

(3·5²)³ / (3²·5)² = 3³·5⁶ / 3⁴·5² = 3³⁻⁴·5⁶⁻² = 3⁻¹·5⁴ = 5⁴ / 3

Resposta: 3⁻¹·5⁴ = 5⁴ / 3

Answer 2

Ola Wee

a) 

(7²)³/(7³)² = 7^6/7^6 = 1

b)

(3*5²)³ / (3^2*5)^2 = 3^3*5^6/3^4*5^2 = 5^4/3