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