4√(81)^-2 is equals to ??
Answers
Answered by
2
Answer:
322
Step-by-step explanation:
4√81^2
4×81-2
324-2
=322
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Answered by
1
Answer:
4×1/81
4×rootover81^-2 = 4×1/(9)^2
= 4×1/81
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