What is -3.702 + -9.78?
-13.482
The answer is -13.482 if you want it in Sig. Figs then the anser will be -13.4 Hope this helped :D
Add them together. Since they are both negative, the sum will also be negative.
To find the sum of -3.702 and -9.78, you simply add these two numbers together.
-3.702 + (-9.78)
First, remove the parentheses by changing the sign of the second number:
-3.702 - 9.78
Now, align the decimal points:
-3.702
- 9.78
________
Next, starting from the rightmost column, add the digits together:
-3.702
- 9.78
________
-13.482
Therefore, -3.702 + -9.78 equals -13.482.