answer the following as fast as possible..
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Answer:
refer to the attachment
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2
Answer:
1) (3^10÷3^7)×3^-5
=3^(10-7-5)
=3^(10-12)
=3^(-2)
=1/9.
2) [2^3/2^5]×[3^5/3^3]
=2^(3-5)×3^(5-3)
=2^(-2)×3^2
=1/4×9
=9/4.
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