prefix		meaning	prefix		meaning
femto	(f)	$10^{-15}$	deka	(da)	$10^1$
pico	(p)	$10^{-12}$	hecto	(h)	$10^2$
nano	(n)	$10^{-9}$	kilo	(k)	$10^3$
micro	($\mu$)	$10^{-6}$	mega	(M)	$10^6$
milli	(m)	$10^{-3}$	giga	(G)	$10^9$
centi	(c)	$10^{-2}$	tera	(T)	$10^{12}$
deci	(d)	$10^{-1}$	peta	(P)	$10^{15}$