Plz qno. 2 plz fast
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Answer:
7/2
Step-by-step explanation:
49^-2*14*9/7^-4*6^2
=(7^-2*2)*7*2*3^2/7^-4*2^2*3^2
=7^(-4+4+1)*2^(1-2)*3^(2-2)
=7^1*2^-1*3^0
=7*1/2
=7/2
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