A.3 Metric Prefixes

Multiplication factor	Scientific Notation	Prefix	Symbol
1,000,000,000,000,000,000	1018	exa	E
1,000,000,000,000,000	1015	peta	P
1,000,000,000,000	1012	tera	T
1,000,000,000	109	giga	G
1,000,000	106	mega	M
1,000	103	kilo	k
100	102	hecto	h
10	101	deka	da
1	100
0.1	10–1	deci	d
0.01	10–2	centi	c
0.001	10–3	milli	m
0.000001	10–6	micro	μ
0.000000001	10–9	nano	n
0.000000000001	10–12	pico	p
0.000000000000001	10–15	femto	f
0.000000000000000001	10–18	atto	a

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