1.	2,561 mm = ______m
		A.	2.561	B.	0.2561
		C.	2,561,000	D.	25.61
		Hint
	2.	3.5 g = ______mg
		A.	0.35	B.	350
		C.	0.0035	D.	3,500
		Hint
	3.	2,400 mL = ______L
		A.	2,400,000	B.	24
		C.	0.24	D.	2.4
		Hint
	4.	523 m = ______ km
		A.	0.523	B.	5.23
		C.	0.0523	D.	523,000
		Hint
	5.	57 mL = ______ L
		A.	57,000	B.	0.0057
		C.	0.057	D.	0.57
		Hint