Question

What is 343 to the power -2/3
a)1/7
b)3/7
c)1/49
Pls answer quickly
I will mark the best Ans as the brainliest

Answer 1

Answer:

b)3/7

Step-by-step explanation:

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Answer 2

Answer:

1/49

Step-by-step explanation:

343 = 7^3

(343)^-2/3 = (1/7 cube)^ 2/3

                 = (1/7)^3 x 2/3

                 = (1/7) square

                 = 1/49

Hope it helps

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