Posted by **anonymous** on Thursday, August 21, 2008 at 5:08pm.

Please check.

(4xy^2)(3x^-4y^5) = 12x^-3y^7

(2x)^5 (3x)^2 = 288x^7

(-3x^2)^4 = 81x^8

True or False: the set of integers is a subset of the set of natural numbers.

False

All numbers are real numbers.

True

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