1.	Two solid rocket boosters provide the main thrust to lift the space shuttle off the launching pad. Each booster weighs approximately 1.92 × 105 pounds. Express this weight in standard form.
		A.	192,000 pounds	B.	19,200 pounds
		C.	0.0000192 pounds	D.	19,200,000 pounds
		Hint
	2.	Write the number 4.5 × 10-6 in standard form.
		A.	0.00045	B.	0.045
		C.	0.0000045	D.	0.0045
		Hint
	3.	Express 7,000,000,000 in scientific notation.
		A.	7 × 108	B.	7 × 109
		C.	7 × 106	D.	7 × 1012
		Hint
	4.	Express 2,475,000 in scientific notation.
		A.	2.475 × 106	B.	2.475 × 10-6
		C.	2.475 × 105	D.	2.475 × 103
		Hint
	5.	On July 18, 2001, the United States national debt was $5,633,569,000. Write this number in scientific notation.
		A.	5.633569 × 109	B.	5.633569 × 10-9
		C.	5.633569 × 1010	D.	5.633569 × 108
		Hint