1.	Write a2b-3 using positive exponents.
		A.		B.
		C.		D.
		Hint
	2.	Rewrite without using a fraction bar.
		A.	a2b2 - c3d	B.	a2b2(-c3d)
		C.	a2b2c-3d	D.	a2b2c-3d-1
		Hint
	3.	Evaluate the expression 5n4m-2 if m = 6 and n = 3.
		A.		B.
		C.	-5	D.	-20
		Hint
	4.	Write the expression 5-4 using a positive exponent.
		A.		B.
		C.	-54	D.	54
		Hint
	5.	Write as an expression using a negative exponent.
		A.		B.
		C.	-26	D.	2-6
		Hint