3^-1×9^-1÷3^-2 find value
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Answer:
1/3 is the right answer.
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Answered by
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Answer:
=3^-1*(3×3)^-1÷3^-2
=3^-1*3^-1*3^-1÷3^-2
=3^-1+(-1)+(-1)÷3^-2
=3^-1-1-1÷3^-2
=3^-3÷3^-2
=3^-3-(-2)
=3^-3+2
=3^-1
=1/3
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