
	1.	Express 7^-3 using positive exponents.
		A.		B.
		C.		D.	(-7)³
		Hint

	2.	Write a²b^-3 using positive exponents.
		A.		B.
		C.		D.
		Hint

	3.	Write using negative exponents.
		A.	2^-4	B.	-2^-4
		C.	-2⁴	D.	2^-3
		Hint

	4.	Rewrite without using a fraction bar.
		A.	a²b²(-c³d)	B.	a²b² - c³d
		C.	a²b²c^-3d	D.	a²b²c^-3d^-1
		Hint

	5.	Evaluate the expression 5n⁴m^-2 if m = 6 and n = 3.
		A.		B.	-20
		C.	-5	D.
		Hint