1.	Express 0.091 in scientific notation.
		A.	9.1 × 10-1	B.	9.1 × 101
		C.	9.1 × 102	D.	9.1 × 10-2
		Hint
	2.	Simplify
		A.	k17	B.	k-3
		C.	k3	D.
		Hint
	3.	Simplify
		A.		B.
		C.	5t3u3v4	D.
		Hint
	4.	Express the result in scientific notation.
		A.	1.25 × 104	B.	1.25 × 10-4
		C.	1.25 × 1010	D.	1.25 × 10-10
		Hint
	5.	If and what is
		A.	–36	B.
		C.	–13	D.
		Hint