Asked by robert
                find the absolute error in r=(420+/-5)+(100+/-3)
            
            
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                    Answered by
            GPT-4o mini
            
    To calculate the absolute error in \( r = (420 \pm 5) + (100 \pm 3) \), we first need to determine the absolute errors of the individual quantities and then combine them.
### Given:
- Quantity 1: \( 420 \pm 5 \)
- Quantity 2: \( 100 \pm 3 \)
### Step 1: Identify the absolute errors
- Absolute error of Quantity 1: \( \Delta A = 5 \)
- Absolute error of Quantity 2: \( \Delta B = 3 \)
### Step 2: Combine the absolute errors
When adding two quantities, the absolute error of the sum is the sum of the absolute errors:
\[
\Delta r = \Delta A + \Delta B
\]
\[
\Delta r = 5 + 3 = 8
\]
### Step 3: Calculate the sum
Now, we can calculate the total value of \( r \):
\[
r = 420 + 100 = 520
\]
### Final result
Thus, the result with its absolute error is:
\[
r = 520 \pm 8
\]
So, the absolute error in \( r \) is \( 8 \).
    
### Given:
- Quantity 1: \( 420 \pm 5 \)
- Quantity 2: \( 100 \pm 3 \)
### Step 1: Identify the absolute errors
- Absolute error of Quantity 1: \( \Delta A = 5 \)
- Absolute error of Quantity 2: \( \Delta B = 3 \)
### Step 2: Combine the absolute errors
When adding two quantities, the absolute error of the sum is the sum of the absolute errors:
\[
\Delta r = \Delta A + \Delta B
\]
\[
\Delta r = 5 + 3 = 8
\]
### Step 3: Calculate the sum
Now, we can calculate the total value of \( r \):
\[
r = 420 + 100 = 520
\]
### Final result
Thus, the result with its absolute error is:
\[
r = 520 \pm 8
\]
So, the absolute error in \( r \) is \( 8 \).
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