prefix and factor.
Tera, ten raise to power twelve.
Giga, ten raise to power nine.
Mega, ten raise to power six.
Kilo, ten raise to power three.
Hecto, ten raise to power two.
Deka, ten raise to power one.
Deci, ten raise to power minus one.
Centi, ten raise to power minus two.
Milli, ten raise to power minus three.
Micro, ten raise to power minus six.
Nano, ten raise to power minus nine.
Pico, ten raise to power minus twelve.
Femto, ten raise to power minus fifteen.