Question

express each of the following as a rational number.
i) ( 2/3) ⁵
ii) (-8/5)³
iii) (-13/11)²​

Answer 1

Answer:

i) 32/243

ii) -512/125

iii)169 /121

Explanation:

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i) 2^5 / 3^5 (a/b)^m = a^m / b^m

= 32/243

ii) -8^3/5^3

= -512/ 125

iii) -13^2/ 11^2

= 169/121

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