1.	In the expression 23, 2 is called the _____.
		A.	exponent	B.	perfect square
		C.	square root	D.	base
		Hint
	2.	In the expression 25, 5 is called the _____.
		A.	perfect square	B.	base
		C.	exponent	D.	square root
		Hint
	3.	The expression 5 can be written using exponents as _____.
		A.	51	B.	50
		C.	1(5)	D.	15
		Hint
	4.	Write 3x3y5 as a multiplication expression.
		A.	3 · 3 · x · 5 · y
		B.	2(3x3y5)
		C.	3 · x · x · x · y · y · y · y · y
		D.	(xy2)3
		Hint
	5.	Evaluate the expression –2a3 + 3z2 if a = –3 and z = 2.
		A.	-180	B.	-42
		C.	252	D.	66
		Hint