1.	Multiply 0.25 × 103.
		A.	250	B.	0.00025
		C.	25,000	D.	25
		Hint
	2.	Evaluate the expression 5n4m-2 if m = 6 and n = 3.
		A.		B.	-20
		C.	-5	D.
		Hint
	3.	Find the value of N in the equation.N × 104 = 8,653,300
		A.	N = 86,533
		B.	N = 8.6533
		C.	N = 86,533,000,000
		D.	N = 865.33
		Hint
	4.	Simplify the expression.–4x × 4x8
		A.	–16x8	B.	–8x9
		C.	–16x9	D.	–8x8
		Hint