1.	Write using negative exponents.
		A.	-24	B.	2-4
		C.	-2-4	D.	2-3
		Hint
	2.	Evaluate the expression 5n4m-2 if m = 6 and n = 3.
		A.		B.	-5
		C.		D.	-20
		Hint
	3.	Write the expression 5-4 using a positive exponent.
		A.	54	B.
		C.	-54	D.
		Hint
	4.	Write the expression m-7 using a positive exponent.
		A.		B.	m7
		C.	-m7	D.
		Hint
	5.	Evaluate y-5 if y = -2.
		A.	-32	B.
		C.	32	D.
		Hint