1.	Use estimation to place the decimal point in the product 18.7 × 21 = 3927.
		A.	3.927	B.	39.27
		C.	392.7	D.	3927.0
		Hint
	2.	Find 6 × 18.52.
		A.	111.02	B.	1111.2
		C.	111.12	D.	108.12
		Hint
	3.	A dollar bill is 6.125 inches long. Caitlin used it as a measuring device and found that her shelf was 5 times the length of the dollar bill. How long is her shelf?
		A.	30.625 in.	B.	306.05 in.
		C.	30.605 in.	D.	306.25 in.
		Hint
	4.	Find 4 × 0.0034.
		A.	0.0126	B.	0.0136
		C.	0.1216	D.	1.36
		Hint
	5.	Write 1.85 × 102 in standard form.
		A.	0.185	B.	1,850
		C.	1.85	D.	185
		Hint