1.	Write the expression 4 · 4 · 4 · 4 · 4 using exponents.
		A.	45	B.	55
		C.	54	D.	44
		Hint
	2.	In the expression (-4)2, -4 is called the ______.
		A.	base	B.	exponent
		C.	product	D.	power
		Hint
	3.	Evaluate the expression 4n + m2 if m = 6 and n = 8.
		A.	44	B.	40
		C.	88	D.	68
		Hint
	4.	Find y for y = x2 - 15 if x = 6.
		A.	51	B.	-3
		C.	49	D.	21
		Hint
	5.	Evaluate 7(a – b)3 if a = 3 and b = 1.
		A.	8	B.	56
		C.	28	D.	42
		Hint