Decimal Comparison: Is 0.22 Equal to 0.2?

Question

Are they the same numbers?

$0.22\stackrel{?}{=}0.2$

00:05 Are the numbers exactly the same?

00:08 Remember, we can always add zero after the last digit without changing the number.

00:14 Now, let's compare the digits in each number carefully.

00:20 Here we see, the digit two is greater than zero, which makes this number larger. So, they are not identical.

00:27 And that's how we find the solution to this question!

We will add 0 to the number 0.2 in the following way:

$0.2=0.20$

And we will discover that the numbers are not identical