SI Prefixes
a	atto	1x10-18
f	femto	1x10-15
p	pico	1x10-12
n	nano	1x10-9
m	micro	1x10-6
m	milli	1x10-3
c	centi	1x10-2
d	deci	1x10-1
da	deca	1x10
h	hecto	1x102
k	kilo	1x103
M	mega	1x106
G	giga	1x109
T	tera	1x1012
P	peta	1x1015
E	exa	1x1018