1.	Express 830% as a decimal.
		A.	0.83	B.	83.0
		C.	0.083	D.	8.3
		Hint
	2.	Express 0.07% as a decimal.
		A.	0.7	B.	0.0007
		C.	0.007	D.	7.0
		Hint
	3.	Express 0.49% as a decimal.
		A.	0.0049	B.	0.00049
		C.	0.049	D.	0.49
		Hint
	4.	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.	0.1868%
		C.	0.467%	D.	0.2335%
		Hint
	5.	Find 0.061 written as a percent.
		A.	0.61%	B.	6.1%
		C.	0.00061%	D.	61%
		Hint