✔ 最佳答案
10^6 = mega = Million 1 000 000
10^3 = kilo = Thousand 1 000
10^2 = hecto = Hundred 100
10^−1 = deci = Tenth 0.1
10^−2 = centi = Hundredth 0.01
10^−3 = milli = Thousandth 0.001
10^−6 = micro = Millionth 0.000 001
參考: Wikipedia, the free encyclopedia