1.
		A.	3.01	B.	2.11
		C.	3.10	D.	2.01
		Hint
	2.	Find the difference of 11 and 1.32.
		A.	10.78	B.	10.32
		C.	10.68	D.	9.68
		Hint
	3.	Two new pennies weigh 3.15 grams and 3.128 grams, respectively. Find the difference of their weights.
		A.	0.022 g	B.	0.023 g
		C.	0.22 g	D.	0.11 g
		Hint
	4.	Find the difference.
		A.	21	B.	22
		C.	21.8	D.	22.8
		Hint
	5.	Find the difference of 4.3 and 0.52.
		A.	3.41	B.	3.78
		C.	3.51	D.	3.68
		Hint