1.	Express 7,000,000,000 in scientific notation.
		A.	7 × 106	B.	7 × 108
		C.	7 × 109	D.	7 × 1012
		Hint
	2.	Express 0.0000000139 in scientific notation.
		A.	1.39 × 108	B.	1.39 × 10-9
		C.	1.39 × 10-7	D.	1.39 × 10-8
		Hint
	3.	Write 4.06 × 10-4 in standard form.
		A.	40,600	B.	4,060
		C.	0.000406	D.	0.00406
		Hint
	4.	The amount of corn produced by the major corn-producing countries is given in the table. Order the countries according to the amount of corn produced from greatest to least.
		A.	Brazil, Mexico, France, United States, China	B.	United States, China, Brazil, Mexico, France
		C.	Brazil, United States, Mexico, France, China	D.	France, Mexico, Brazil, China, United States
		Hint
	5.	The population of five cities in California is given in the table. Order the cities according to the population from least to greatest
		A.	Los Angeles, San Diego, San Jose, San Francisco, Long Beach	B.	San Diego, Los Angles, Long Beach, San Francisco, San Jose
		C.	Long beach, San Francisco, San Jose, San Diego, Los Angeles	D.	San Diego, Los Angeles, San Diego, San Francisco, San Jose
		Hint