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

它们是可以被定义(辨识)的， 因此我们精确地知道它的数值直到小数点後无限位数。

How about writing the number 7,500 in scientific notation?

用科学记数法写7500怎么样？

Most numbers like this are normally already written in scientific notation.

像这样的大多数数字通常已经是用科学计数法书写的了。

In scientific notation, this number is 1 times 10 to the 22.

在科学记数法中，这个数字是1乘以10的22次幂。

I'll have to use scientific notation, which is a shorthand way of expressing numbers using powers of ten.

我必须使用科学表示法，这是一种用10的乘方来表示数字的简写方式。

But this all gets so much simpler when you use scientific notation, which since it's science we should.

好啦秀秀，我跟你讲到底为什麽要这样做?

And yes, any time you have to express your inflation rate using scientific notation, that's a bad thing.

是的，任何时候用科学符号来表达通货膨胀率都是件坏事。

You should now be able to write our original very large number and very small number in scientific notation.

你现在应该能够用科学计数法书写我们最开始非常大的数字和非常小的数字。

They're what we use most in chemistry, and they're really easy to understand, and also what we base scientific notation on.

是的，没错，对数一眼看过去是有点吓人，但我们要用的这个对数却超级简单。

In essence, this standard stores decimal values sort of like scientific notation.

本质上，这个标准存储十进制值有点像科学记数法。

It's an important number that's much easy to remember in scientific notation.

这是一个重要的数字， 在科学记数法中很容易记住。

In scientific notation, this is written as 1.6 times 10 to the minus 19, which is the electric charge of a single electron.

在科学计数法中，这被写成1.6 乘以10的-19次幂，即单个电子的电荷。

In fact, scientists use a really simple device called scientific notation that allows them to abbreviate these numbers so that they're easy to write down and work with.

事实上，科学家们使用了一种非常简单的称为科学记数法的设备，它让科学家们可以缩写这些数字，以使这些数字易于记下和使用。

These beasts can work with scientific notation, logarithmic and trigonometric calculations, exponential functions, roots and powers, and other long complicated mathematical terms that many people have never even heard of.

科学计算器可以使用科学记数法、对数和三角函数计算、指数函数、根和幂，以及许多人从未听说过的其他冗长复杂的数学术语。

The basic form of scientific notation is a number. Let's call this number A multiplied by 10 to the power of another number. Let's call this number B. B tells you how many times 10 shall be multiplied by itself.

科学记数法的基本形式是数字。让我们把这个数字称为 A 乘以10的另一个数字次的幂。让我们把另一个数字称为 B. B告诉你10应该乘以多少次本身。