“After that a decimal point and two more zeros, ” he added.

“再后面是小数点，后面还有两个零，”他又。

I'll say she remembered b) 68,000 digits of pi.

我会她记住了b）圆周率小数点后67890数字。

But for most scientific uses, you only need the first forty or so.

但一般的科学应用只需要小数点后约 40 就行了。

So if you have points like this, stick to writing the number.

所以如果你要写小数点，请写数字。

Five more decimal places of precision on what a second is. - Right.

一秒是多少还要精确到小数点后五。-对。

Scientific notation is awesome by the way, once you get the hang of it.

们是可以被定义(辨识)的， 因此我们精确地知道的数值直到小数点後无限数。

When you say six, does that include the two-cent figures?

你数，包括小数点后两吗？

Just last year Google Cloud calculated it to 100 trillion digits.

就在去年，谷歌云算出了π小数点后 100 万亿。

Now, American dollars have both a dollar amount and some cents after the period.

现在，美元既有整元金额，也有小数点后的几分。

So that eighteen will go after the decimal point, or that dot.

那十八将出现在小数点后，也就是那个点之后。

Katherine did manage to calculate a few decimal points further than that hunk of metal.

Katherine 成功算出来了比那大块头机器还多几个小数点。

I asked you how many digits of the mathematical equation, pi, she could remember.

我问你，她能记住数学方程式——圆周率小数点后多少数字。

And by the year 1400, it had been calculated to as far as ten decimal places.

到公元 1400 年，人们已经计算出小数点后第 10 。

We were trying to get to 50 digits.

我们当时努力记到了小数点后 50 。

Termly reports in secondary schools record pupils' marks, in Cartesian fashion, to the nearest two decimal points.

中学记录学生成绩的学期报告会使用笛卡尔的算法，将大家的成绩精确到小数点后两。

A miracle of precision map-making that measures the angles of the triangle to the third decimal place.

这一奇迹般精密的地图测量出的角度精确到小数点后第三。

He holds the European record for reciting Pi from memory to 22,514 digits in just over five hours.

他能够在短短5个小时之内记忆小数点后2万2514个数字，而这也保持着欧洲记录。

That's kind of what makes it useful for writing fractions, kind of with nice things after the decimal place.

这就是为什么对分数很有用，对小数点后的部分很好用。

For the very small number, the decimal point needs to hop right over 19 digits and leaves us with 1.6.

对于非常小的数字，小数点需要直接跳过19数字，给我们留下了1.6。

For the large number, the decimal point hops over 22 digits and is left with a 1 in front of it.

对于大数字，小数点跳过22数，前面剩下一个1。