1.	Factor 144 completely.
		A.	12 · 12	B.	4 · 4 · 9
		C.	2 · 2 · 2 · 2 · 3 · 3	D.	3 · 3 · 4 · 4
		Hint
	2.	What is the greatest common factor of 18mn2, 54m4, and 80n3?
		A.	2mn2	B.	2
		C.	9mn	D.	18m2n3
		Hint
	3.	Which fraction can be expressed as in simplest form?
		A.		B.
		C.		D.
		Hint
	4.	Simplify the expression (-4a2)(3a2).
		A.	-1a4	B.	12a-2
		C.	-12a4	D.	12a2
		Hint
	5.	The diameter of a volcanic particle averaged 0.000022 meter. What is this measure written in scientific notation?
		A.	2.2 × 10-5
		B.	2.2 × 10
		C.	0.22 × 10-4
		D.	2.2 × 105
		Hint
	6.	The number 250 is divisible by which number(s) from the following list? 2, 3, 5, 6, or 10
		A.	2, 3, and 6 only	B.	2, 5, and 10 only
		C.	5 and 10 only	D.	All of 2, 3, 5, 6, and 10
		Hint
	7.	The number 97 is divisible by which of the following?
		A.	6	B.	5
		C.	None of these	D.	3
		Hint
	8.	Write 3 · x · x · x · x · y · y · y · y using exponents.
		A.	3>x4y3	B.	3x4y4
		C.	34x4y4	D.	3xy8
		Hint
	9.	Evaluate 7(a – b)3 if a = 3 and b = 1.
		A.	56	B.	8
		C.	42	D.	28
		Hint
	10.	Write the prime factorization of 756.
		A.	2 · 35 · 7	B.	23 · 33 · 7
		C.	22 · 33 · 7	D.	22 · 3 · 63
		Hint
	11.	Find the GCF of 17r4s4 and 23rs4.
		A.	rs4	B.	rs
		C.	r4s4	D.	17rs4
		Hint
	12.	Eight feet is what part of 10 yards? Write your answer as a fraction in simplest form.
		A.		B.
		C.		D.
		Hint
	13.	Find (14b5)(-1b6).
		A.	14b11	B.	14b30
		C.	-14b11	D.	-14b30
		Hint
	14.	Write the expression 5-4 using a positive exponent.
		A.	-54	B.
		C.		D.	54
		Hint
	15.	Evaluate x-4 if x = 3.
		A.		B.
		C.	81	D.	-81
		Hint
	16.	Express 3.456 × 10-4 in standard form.
		A.	0.3456	B.	34,560
		C.	0.0003456	D.	0.003456
		Hint