1.	Evaluate the expression 5n4m-2 if m = 6 and n = 3.
		A.		B.	-5
		C.		D.	-20
		Hint
	2.	Write 0.478 in scientific notation.
		A.	4.78 × 10-2
		B.	4.78 × 102
		C.	4.78 × 10-1
		D.	478 × 101
		Hint
	3.	How would 9.3 × 10-7 be written in standard form?
		A.	0.000000093
		B.	0.00000093
		C.	930,000,000
		D.	93,000,000
		Hint
	4.	Simplify (3x3)4.
		A.	81x12	B.	12x12
		C.	3x7	D.	27x7
		Hint
	5.	Simplify the expression.–4x × 4x8
		A.	–16x9	B.	–8x8
		C.	–8x9	D.	–16x8
		Hint