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Variables, Terms and Powers

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--Is there a difference between -7^2 and (-7)^2

--Consider a number without any variables, say, 10. Is 10 a term?

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Solution Summary

Variables, terms and powers are investigated. The difference between -7^2 and (-7)^2 are determined.

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There is difference between -7^2 and (-7)^2.
-7^2 = -49.
(-7)^2 = ...

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