1.	Write 3,458,000 in scientific notation.
		A.	3458 × 103	B.	3.458 × 103
		C.	0.3458 × 106	D.	3.458 × 106
		Hint
	2.	Express 2.629 × 107 in standard form.
		A.	2,629	B.	26,290,000
		C.	0.0000002629	D.	2,629,000
		Hint
	3.	Express 3.456 × 10-4 in standard form.
		A.	0.3456	B.	0.003456
		C.	34,560	D.	0.0003456
		Hint
	4.	Express 1,000,000 in scientific notation.
		A.	1 × 107	B.	1 × 105
		C.	1 × 106	D.	1 × 10-6
		Hint
	5.	Express 0.00186 in scientific notation.
		A.	1.86 × 10-5	B.	1.86 × 10-3
		C.	1.86 × 10-4	D.	1.86 × 103
		Hint