1.

Which of the following is equal to (-3/4)-3?(a) (3/4)-3 (b) – (3/4)-3 (c) (4/3)3 (d) (-4/3)3

Answer»

(d) (-4/3)3

Explanation: 

(-3/4)-3 

= 1/(-3/4)3 

= (-4/3)3

(By the law of exponents: a-n = 1/an)



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