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Wyatt Mack
Mathematics
14 June, 23:05
Evaluate 1/x^-2 for x = 7.
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Jorge Baird
14 June, 23:10
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1/x^-2 for x = 7
1 / (7) ^-2
1 / (1 / (7) ^2)
1 / (1/49)
49
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Israel
14 June, 23:27
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The negative exponent means you take the reciprocal, so it changes to x^2. Plug in 7, and you get 49
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