Decimal Comparison: Is 0.8 Equal to 0.88?

Question

Are they the same numbers?

$0.8\stackrel{?}{=}0.88$

00:05 Are the numbers exactly the same?

00:08 You can always add a zero after the last digit. This doesn't change the value.

00:13 Now, let's compare the digits of the numbers.

00:20 Since 8 is greater than zero, the numbers are different.

00:25 And that's the answer to our question!

We will add 0 to the number 0.8 in the following way:

$0.8=0.80$

And we will discover that the numbers are not identical