A quadrillion is a million, million, million, millions or 10^24 from quad for four, you see a quadbike does not have two and a half wheels, just as a tricycle does not have two wheels (...look up trillion).
A quadrillion dollars is a million, million, million, millions of dollars or $1, 000 000, 000 000, 000 000, 000 000.
作者 Repete456 2009年12月28日
Can you define these popular missing words?
1. a number equal to 1,000,000,000,000,000 or 10^15.
There are a quadrillion grains of sand on this beach.
作者 5'1"Racer 2005年2月12日