1.	Evaluate the expression 5n4m-2 if m = 6 and n = 3.
		A.		B.	-5
		C.	-20	D.
		Hint
	2.	How would 9.3 × 10-7 be written in standard form?
		A.	0.000000093
		B.	0.00000093
		C.	93,000,000
		D.	930,000,000
		Hint
	3.	The diameter of a volcanic particle averaged 0.000022 meter. What is this measure written in scientific notation?
		A.	2.2 × 10
		B.	2.2 × 10-5
		C.	2.2 × 105
		D.	0.22 × 10-4
		Hint
	4.	Simplify (3x3)4.
		A.	27x7	B.	81x12
		C.	12x12	D.	3x7
		Hint
	5.	Evaluate the expression.–2-4
		A.	–16	B.
		C.		D.
		Hint