Table 1.2: Prefixes Used in the SI System

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