Prefix 	Symbol 	Multiples		Prefix 	Symbol 	Multiples
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deci	d	10**(-1)		deka	da	10
centi  	c	10**(-2)		hecto	h	10**2
milli  	m 	10**(-3)		kilo	k	10**3
micro  		10**(-6)		mega	M	10**6
nano	n	10**(-9)		giga	G	10**9
pico	p	10**(-12)		tera	T	10**12
femto	f	10**(-15)		peta	P	10**15
atto	a	10**(-18)		exa 	E	10**18