1.	Multiply 0.25 × 103.
		A.	250	B.	25,000
		C.	0.00025	D.	25
		Hint
	2.	Write 120,000,000 in scientific notation.
		A.	0.12×109	B.	1.2×108
		C.	1.2×109	D.	12×107
		Hint
	3.	Find the value of N in the equation.N × 104 = 8,653,300
		A.	N = 865.33
		B.	N = 86,533
		C.	N = 8.6533
		D.	N = 86,533,000,000
		Hint
	4.	Use your calculator to evaluate the expression. 7.3 × 1012 + 8.1 × 1012
		A.	5.913 × 1013	B.	1.54 × 1013
		C.	15.4 × 1013	D.	59.13
		Hint
	5.	Use your calculator to evaluate the expression. (5.9 × 108) × (2.4 × 109)
		A.	1.416 × 1017	B.	1.416 × 1018
		C.	1.416 × 1016	D.	1.416 × 1012
		Hint