1.	Express 0.07% as a decimal.
		A.	0.7	B.	0.007
		C.	7.0	D.	0.0007
		Hint
	2.	Express 4283% as a decimal.
		A.	428.3	B.	4.283
		C.	42.83	D.	4283
		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.	0.2335%	B.	0.1868%
		C.	0.934%	D.	0.467%
		Hint
	4.	Find 7.25 written as a percent.
		A.	725%	B.	72.5%
		C.	7,250%	D.	7.25%
		Hint
	5.	Find 0.061 written as a percent.
		A.	0.00061%	B.	6.1%
		C.	0.61%	D.	61%
		Hint