1.	Choose the false statement.
		A.	All multiples of 9 are divisible by 3 because 9 = 3 × 3.
		B.	Since 10 = 2 × 5, a number divisible by 10 is also divisible by 2 and by 5.
		C.	If a number is divisible by 2 then it is divisible by 4 because 4 = 2 × 2.
		D.	No odd numbers are divisible by 4.
		Hint
	2.	Solve x = 34.
		A.	x = 12	B.	x = 27
		C.	x = 64	D.	x = 81
		Hint
	3.	Find y for y = x2 - 15 if x = 6.
		A.	49	B.	-3
		C.	51	D.	21
		Hint
	4.	What is the greatest common factor of 45, 75, and 135?
		A.	15	B.	25
		C.	9	D.	5
		Hint
	5.	Express the ratio 12gh:30h2g in simplest form.
		A.		B.
		C.		D.
		Hint
	6.	Simplify
		A.		B.
		C.		D.	2ab2
		Hint
	7.	Write a2b-3 using positive exponents.
		A.		B.
		C.		D.
		Hint
	8.	The diameter of a volcanic particle averaged 0.000022 meter. What is this measure written in scientific notation?
		A.	2.2 × 10-5
		B.	0.22 × 10-4
		C.	2.2 × 105
		D.	2.2 × 10
		Hint
	9.	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.	5 and 10 only
		C.	All of 2, 3, 5, 6, and 10	D.	2, 3, and 6 only
		Hint
	10.	Write the prime factorization of 756.
		A.	22 · 33 · 7	B.	22 · 3 · 63
		C.	23 · 33 · 7	D.	2 · 35 · 7
		Hint
	11.	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
	12.	Factor 15x3 - 5x2.
		A.	x2 (15x – 5)	B.	5x2 (3x – 1)
		C.	5x(3x2 - x)	D.	x(15x2 - 5x)
		Hint
	13.	Simplify
		A.		B.	Already simplified
		C.		D.
		Hint
	14.	Find (-3y3)(4y2).
		A.	12y5	B.	12y6
		C.	-12y6	D.	-12y5
		Hint
	15.	Write as an expression using a negative exponent.
		A.		B.
		C.	2-6	D.	-26
		Hint
	16.	Express 35,329 in scientific notation.
		A.	3.5329 × 104	B.	3.5329 × 10-4
		C.	3.5329 × 105	D.	35.329 × 103
		Hint