1.	Use estimation to place the decimal point in the product 18.7 × 21 = 3927.
		A.	3927.0	B.	392.7
		C.	39.27	D.	3.927
		Hint
	2.	Find 6 × 18.52.
		A.	108.12	B.	111.12
		C.	111.02	D.	1111.2
		Hint
	3.	Evaluate 4x if x = 0.016.
		A.	0.64	B.	64
		C.	0.064	D.	6.4
		Hint
	4.	Find 4 × 0.0034.
		A.	0.0126	B.	1.36
		C.	0.0136	D.	0.1216
		Hint
	5.	Write 1.85 × 102 in standard form.
		A.	185	B.	1.85
		C.	1,850	D.	0.185
		Hint