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Answer:
3√343=7
4√81=3
so
(7)"-2/3
=1/49*3
=1/147
hope it helps you
Answered by
0
(3√343)^-2÷(4√81)
sol=7^-2/3
=1/3×7^-2
=1/3×1/49
=1/147
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