1.	Simplify x3y0z-2.
		A.		B.
		C.	-x3yz2	D.	0
		Hint
	2.	Simplify . Assume the denominator is not equal to zero.
		A.		B.
		C.		D.
		Hint
	3.	Simplify . Assume the denominator is not equal to zero.
		A.		B.
		C.		D.
		Hint
	4.	Simplify Assume the denominator is not equal to zero.
		A.	5xy8	B.	5xy2
		C.		D.	1
		Hint
	5.	Express 0.034 × 107 in scientific notation.
		A.	3.4 × 109	B.	0.34 × 106
		C.	34 × 104	D.	3.4 × 105
		Hint