Final answer:
To add -1+0.75+0.45, simply add the numbers together: -1 + 0.75 + 0.45 = -0.8 + 0.45 = -0.35.
Step-by-step explanation:
To add -1+0.75+0.45, simply add the numbers together:
-1 + 0.75 + 0.45 = -0.8 + 0.45 = -0.35.
So, the sum is -0.35.
Learn more about Adding and subtracting decimals