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

“再后面是数点，后面还有两个零，”他又说。

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

我会说她记住了b）圆周率数点后67890位数字。

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

但一般科学应用只需要数点后约 40 位就行了。

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

所以如果你要写数点，请写数字。

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

一秒是多少还要精数点后五位。-对。

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

们是可以被定义(辨识)， 我们精地知道数值直数点後无限位数。

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

你说六位数，包括数点后两位吗？

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

就在去年，谷歌云算出了π数点后 100 万亿位。

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

现在，美元既有整元金额，也有数点后几分。

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

那十八将出现在数点后，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——圆周率数点后多少位数字。

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

公元 1400 年，人们已经计算出数点后第 10 位。

We were trying to get to 50 digits.

我们当时努力记了数点后 50 位。

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

中学记录学生成绩学期报告会使用笛卡尔算法，将大家成绩精数点后两位。

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

这一奇迹般精密地图测量出角度精数点后第三位。

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个时之内记忆数点后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，对数点后部分很好用。

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

对于非常数字，数点需要直接跳过19位数字，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，数点跳过22位数，前面剩下一个1。