Question

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

Answer 1

The additive inverse of a number is the negative of that number. So, to find the result of subtracting -871.78 from -492.89, we can find the additive inverse of -871.78 and add it to -492.89.

The additive inverse of -871.78 is 871.78.

So the expression becomes -492.89 + 871.78.

Now we can subtract the numbers:
-492.89 + 871.78 = 378.89

Therefore, -492.89 - 871.78 = 378.89.