1.	Write 2,564,000 in scientific notation.
		A.	2.564×105	B.	25.64×105
		C.	2.564×106	D.	2,564×103
		Hint
	2.	Which equation represents exponential decay?
		A.	y = 1.05(0.95)x	B.	y = 0.86(1.46)x
		C.	y = 2.62(1.22)x	D.	y = 1.7(1.06)x
		Hint
	3.	Evaluate 63.
		A.	125	B.	216
		C.	729	D.	343
		Hint
	4.	Rewrite 123 × 73 using a single base.
		A.	843	B.	199
		C.	193	D.	849
		Hint
	5.	Rewrite 94 ÷ 34 using a single base.
		A.	31	B.	38
		C.	316	D.	34
		Hint
	6.	Rewrite Iz ÷ jz using a single base.
		A.		B.	(i – j)z
		C.		D.
		Hint
	7.	What is the value of 5x when x = 5?
		A.	5	B.	10
		C.	25	D.	3125
		Hint
	8.	Use your calculator to evaluate the expression. 7.3 × 1012 + 8.1 × 1012
		A.	59.13	B.	5.913 × 1013
		C.	15.4 × 1013	D.	1.54 × 1013
		Hint