Use additive inverse to find -492.89 - (-871.78)

Answer 1

To find the difference between -492.89 and -871.78, we can take the sum of -492.89 and the additive inverse of -871.78.

The additive inverse of a number is the opposite of that number. So, the additive inverse of -871.78 is 871.78.

Now we can add -492.89 and 871.78 together:

-492.89 + 871.78 = 378.89

Therefore, -492.89 - (-871.78) = 378.89.