# How do you simplify the expression 7.84 + 0.064?

Apr 9, 2018

7.904

#### Explanation:

Simply add the decimals together. But before that, turn 7.84 which only has 2 decimal places to a 3 decimal place number, like 0.064, by adding the number zero, so the equation will be this.
$7.840 + 0.064$
But you can add a hyphen on the 3rd decimal place of 7.84 if you're doing it like this: