[(1/3)^-2-(1/2)^-3]÷(1/4)^-2
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Answer:
17/2
Step-by-step explanation:
1/3^-2 can be written as 3^2
similarly, 2^3 and 4^2 can be written
3^2 -2^3/4^2 = 9-8/16
=9-1/2 =18/2-1/2
=17/2
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