Roxanne2016
contestada

Which statement is always true?
1.A negative exponent cannot be part of an expression's numerator.
2.A negative base raised to the power of 2 has a negative value.
3.A negative base raised to the power of 2 has a positive value.
4.Any number to the first power is zero.

Respuesta :

mariagalaxy
3, because a negative number multiplied by another negative number (in this case, itself) will always be a positive number.
naft
3. A negative base raised to the power of 2 has a positive value. 

Example ( -A ) ^ 2 = -A x -A = A^2

This is always true because, - x - = + 

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