Use the additive inverse to find −123.45−(−234.76).(1 point)
Responses
−358.21
negative 358.21
121.31
121.31
−111.31
negative 111.31
111.31
To find −123.45−(−234.76), we can first find the additive inverse of −234.76, which is 234.76 (since adding an inverse should give us the identity element, which is 0 in this case).
Now we can write the expression as −123.45 + 234.76.
Adding these two numbers, we get 111.31.
So the correct response is 111.31.
To find the additive inverse of a number, we need to change the sign of the number.
The additive inverse of -234.76 is 234.76.
Now, we can subtract -123.45 from 234.76:
234.76 - (-123.45) = 234.76 + 123.45 = 358.21.
Therefore, the answer is 358.21 (negative 358.21).