1.	Express 7.6109 × 108 in standard form.
		A.	761,090,000	B.	0.000000076109
		C.	7,610,900,000	D.	76,109,000
		Hint
	2.	Express 3.157 ×10-4 in standard form.
		A.	0.00003157	B.	0.003157
		C.	31,570	D.	0.0003157
		Hint
	3.	Express 0.0000000139 in scientific notation.
		A.	1.39 × 10-9	B.	1.39 × 10-7
		C.	1.39 × 108	D.	1.39 × 10-8
		Hint
	4.	Write 4.06 × 10-4 in standard form.
		A.	0.00406	B.	40,600
		C.	0.000406	D.	4,060
		Hint
	5.	Write 0.0000055 in scientific notation.
		A.	5.5 × 10-6	B.	5.5 × 106
		C.	55 × 10-7	D.	55 × 107
		Hint