1.	Find the area of a circle with diameter 5.04 km. Round the answer to the nearest tenth. Use .
		A.	19.9 km2	B.	24.8 km2
		C.	76.8 km2	D.	49.7 km2
		Hint
	2.	Choose the best estimate for 9.08 · 5.2.
		A.	0.5	B.	450
		C.	45	D.	100
		Hint
	3.	Choose the best estimate for 6.8 · 2.1.
		A.	14	B.	7
		C.	1.5	D.	12
		Hint
	4.	Find 24.34 + 6.7.
		A.	25.01	B.	31.04
		C.	91.34	D.	32
		Hint
	5.	Find 39.45 - 18.578.
		A.	14.733	B.	20.872
		C.	14.633	D.	20.882
		Hint
	6.	Find 9.1 × 4.7.
		A.	427.7	B.	4.277
		C.	42.77	D.	4,277
		Hint
	7.	Simplify 3 · 3 · 1 + 5 · 6.
		A.	84	B.	456
		C.	45	D.	39
		Hint
	8.	Simplify 8 + 2 · 7 + 1.
		A.	18	B.	71
		C.	23	D.	24
		Hint
	9.	Find · 8.
		A.	52	B.
		C.	50	D.
		Hint
	10.	Find .
		A.		B.
		C.	3	D.	4
		Hint