compute
-2.351-4.87=
17.63+(-28.862)=
-2.351 - 4.87 = -7.221
17.63 + (-28.862) = -11.232
To compute these two calculations step-by-step, we will use the basic operations of addition and subtraction.
1. -2.351 - 4.87:
To subtract -4.87 from -2.351, we line up the decimal points and subtract the numbers as if they were whole numbers:
-2.351
- 4.870
_______
-7.221
Therefore, -2.351 - 4.87 = -7.221.
2. 17.63 + (-28.862):
To add 17.63 and -28.862, we simply add the numbers together:
17.630
+ (-28.862)
__________
-11.232
Therefore, 17.63 + (-28.862) = -11.232.
To compute these equations, you simply need to perform the indicated arithmetic operations.
For the first equation:
-2.351 - 4.87
You need to subtract 4.87 from -2.351. To do this, you align the decimal point and subtract each digit in the corresponding place value:
-2.351
- 4.87
__________
-7.221
So, -2.351 - 4.87 equals -7.221.
For the second equation:
17.63 + (-28.862)
Here, you need to add 17.63 and -28.862. Since there is a negative sign in front of -28.862, you can think of it as subtracting 28.862 from 17.63:
17.63
- 28.862
__________
-11.232
Thus, 17.63 + (-28.862) equals -11.232.