1.	Express 0.07% as a decimal.
		A.	7.0	B.	0.7
		C.	0.0007	D.	0.007
		Hint
	2.	Express .00034 as a percent.
		A.	0.34%	B.	0.034%
		C.	3.4%	D.	0.0034%
		Hint
	3.	In a sample of air containing about 500 liters, 4.67 liters of the element Argon was found. What percentage of the air is Argon?
		A.	0.934%	B.	0.2335%
		C.	0.467%	D.	0.1868%
		Hint
	4.	The number of U.S. households with cable television increased 219% between 1981 and 2001. Write 219% as a decimal.
		A.	21,900	B.	2.19
		C.	21.9	D.	0.219
		Hint
	5.	Find 7.25 written as a percent.
		A.	72.5%	B.	7.25%
		C.	725%	D.	7,250%
		Hint