Use the addictive inverse to find -492.89-(-871.78)

Answer 1

To find the addictive inverse of a number, we simply change its sign. Therefore, the addictive inverse of -492.89 is 492.89, and the addictive inverse of -871.78 is 871.78.

Now, let's solve -492.89 - (-871.78) using the addictive inverse:

-492.89 - (-871.78) = -492.89 + 871.78

Adding these two numbers, we get:

-492.89 + 871.78 = 378.89

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