1.	Determine which expression is not a monomial.
		A.	12w(xy + z)	B.	ab
		C.	-14(-st)(3u)	D.	17p(-qr)
		Hint
	2.	Evaluate the expression 4n + m2 if m = 6 and n = 8.
		A.	44	B.	40
		C.	68	D.	88
		Hint
	3.	Express 130,254 in expanded form.
		A.	(1 × 105) + (3 × 104) + (2 × 103) + (5 × 102) + (4 × 101)
		B.	(1 × 105) + (3 × 104) + (2 × 102) + (5 × 101) + (4 × 100)
		C.	(1 × 105) + (30 × 104) + (2 × 102) + (5 × 101) + (4 × 100)
		D.	(1 × 106) + (3 × 105) + (2 × 103) + (5 × 102) + (4 × 101)
		Hint
	4.	What is the greatest common factor of 45, 75, and 135?
		A.	15	B.	5
		C.	25	D.	9
		Hint
	5.	What is the greatest common factor of 18mn2, 54m4, and 80n3?
		A.	2	B.	18m2n3
		C.	2mn2	D.	9mn
		Hint
	6.	Which fraction can be expressed as in simplest form?
		A.		B.
		C.		D.
		Hint
	7.	Simplify
		A.		B.
		C.		D.
		Hint
	8.	Simplify
		A.		B.	2ab2
		C.		D.
		Hint
	9.	The diameter of a volcanic particle averaged 0.000022 meter. What is this measure written in scientific notation?
		A.	0.22 × 10-4
		B.	2.2 × 10
		C.	2.2 × 10-5
		D.	2.2 × 105
		Hint
	10.	The number 97 is divisible by which of the following?
		A.	3	B.	5
		C.	None of these	D.	6
		Hint
	11.	Factor 50x4y.
		A.	2 · 5 · 5 · x · x · x · y
		B.	2 · 52 · x4 · y
		C.	2 · 5 · 5 · x · x · x · x · y
		D.	2 · 52 · x2 · x2 · y
		Hint
	12.	Factor 39x2y3.
		A.	3 · 13 · x2 · y2 · y
		B.	3 · 13 · x · x · y · y · y
		C.	3 · 13 · x · y · y · y
		D.	39 · x · x · y · y · y
		Hint
	13.	Find 63 · 62.
		A.	366	B.	66
		C.	65	D.	365
		Hint
	14.	Write the expression 5-4 using a positive exponent.
		A.		B.	54
		C.	-54	D.
		Hint
	15.	Write as an expression using a negative exponent.
		A.		B.	2-6
		C.		D.	-26
		Hint
	16.	Express 35,329 in scientific notation.
		A.	35.329 × 103	B.	3.5329 × 104
		C.	3.5329 × 10-4	D.	3.5329 × 105
		Hint