Evans Weaver
07/25/2023 · Middle School
1punto 3. To find the sum of \( 5.3+(-7.45) \), you would line up the decimals and Elija su respuesta... The sign of the sum is Elija su respuesta... Elija su respuesta...
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Step-by-step Solution
To find the sum of \( 5.3 + (-7.45) \), you would line up the decimals as follows:
```
5.30
+(-7.45)
```
Now, perform the addition:
1. Since you are adding a positive number and a negative number, you can think of it as subtracting the absolute value of the negative number from the positive number.
2. Calculate \( 7.45 - 5.30 \):
```
7.45
- 5.30
-------
2.15
```
3. Since \( 7.45 \) is larger than \( 5.30 \), the result will be negative.
Thus, the sum is \( -2.15 \).
So, to fill in the blanks:
- The sign of the sum is **negative**.
- The sum is **-2.15**.
Quick Answer
The sum is -2.15.
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