1.	In the expression 25, 5 is called the _____.
		A.	exponent	B.	square root
		C.	perfect square	D.	base
		Hint
	2.	The expression 5 can be written using exponents as _____.
		A.	50	B.	51
		C.	15	D.	1(5)
		Hint
	3.	Write 3x3y5 as a multiplication expression.
		A.	3 · x · x · x · y · y · y · y · y
		B.	2(3x3y5)
		C.	(xy2)3
		D.	3 · 3 · x · 5 · y
		Hint
	4.	Numbers that are expressed using exponents are called ________.
		A.	perfect squares	B.	powers
		C.	scientific numbers	D.	bases
		Hint
	5.	Write (4)(4)(4)(-1)(-1)(3)(3)(3)(3)(3)(3) using exponents.
		A.	(4)(-1)(3)3 · 2 · 6	B.	(4)3(-1)2(3)6
		C.	(3)(2)(6)4 · -1 · 3	D.	(3)4(2)-1(6)3
		Hint