1.	The number 64 is divisible by which of the following?
		A.	3	B.	6
		C.	5	D.	4
		Hint
	2.	In the expression (-4)2, -4 is called the ______.
		A.	power	B.	exponent
		C.	base	D.	product
		Hint
	3.	What is the complete factorization of -168?
		A.	-1 · 2 · 32 · 7	B.	-1 · 2 · 3 · 4 · 7
		C.	-1 · 2 · 3 · 7	D.	-1 · 23 · 3 · 7
		Hint
	4.	Find the greatest common factor of 64ab3c2 and 48a2b2c.
		A.	16abc	B.	8ab3c
		C.	8a2b2c2	D.	16ab2c
		Hint
	5.	Write the ratio 24 to 96 in simplest form.
		A.		B.
		C.		D.
		Hint
	6.	Write a2b-3 using positive exponents.
		A.		B.
		C.		D.
		Hint
	7.	The number 250 is divisible by which number(s) from the following list? 2, 3, 5, 6, or 10
		A.	2, 5, and 10 only	B.	2, 3, and 6 only
		C.	5 and 10 only	D.	All of 2, 3, 5, 6, and 10
		Hint
	8.	Evaluate 7(a – b)3 if a = 3 and b = 1.
		A.	42	B.	56
		C.	8	D.	28
		Hint
	9.	Factor –15x2.
		A.	3 · 5 · x · x	B.	-1 · 3 · 5 · x · x
		C.	-1 · 3 · 5 · x2	D.	3 · 5 · x2
		Hint
	10.	Factor 15x3 - 5x2.
		A.	x(15x2 - 5x)	B.	5x(3x2 - x)
		C.	5x2 (3x – 1)	D.	x2 (15x – 5)
		Hint
	11.	Simplify
		A.	Already simplified	B.
		C.		D.
		Hint
	12.	Find x7 · x4.
		A.	xx11	B.	x11
		C.	x28	D.	xx28
		Hint
	13.	Find (14b5)(-1b6).
		A.	14b30	B.	14b11
		C.	-14b30	D.	-14b11
		Hint
	14.	Write the expression m-7 using a positive exponent.
		A.		B.	-m7
		C.	m7	D.
		Hint
	15.	Express 3.456 × 10-4 in standard form.
		A.	0.003456	B.	34,560
		C.	0.3456	D.	0.0003456
		Hint
	16.	Express 1,000,000 in scientific notation.
		A.	1 × 10-6	B.	1 × 105
		C.	1 × 107	D.	1 × 106
		Hint