Back to articles
|
arithmetic

9. Decimals: The Power of Base-10

Practice Cards

Question

What is the theoretical definition of a decimal representation?

Answer

It is a way of expressing a real number as a sum of powers of 10, where digits to the right of the point represent negative powers (101,102,10^{-1}, 10^{-2}, \dots).

Click card to flip

1 / 6