# math

posted by
**anonymous** on
.

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