tenth of a second

tenth of a second O____is the tenth month of a year hundreds of a second One tenth of a thousand is a hundred.翻译 the tenth month of a year is ___. The tenth month of every hundredth of a second lt ( )on the tenth of (one)tenth of (a)thousand is(a)hundred为什么用（one,a,a,） -----is the second last month of a have a second cup of tea,please. every fraction of a second counts.