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Estimate the following by rounding all the way:

\begin{tabular}{|l|l|l|}
\hline
Actual & [tex]$7081 + 3165 + 6552 = $[/tex] & \\
\hline
Estimate & [tex]$7000 + 3000 + 7000 = $[/tex] & \\
\hline
\end{tabular}


Sagot :

Certainly! Let's tackle this problem step-by-step.

### Step 1: Rounding Numbers to the Nearest Thousand
The first step is to round each of the actual numbers to the nearest thousand.

1. Number: 7081
- When rounding 7081, we look at the hundreds digit, which is 0. Since it is less than 5, we round down.
- Estimate: 7000

2. Number: 3165
- When rounding 3165, we look at the hundreds digit, which is 1. Since it is less than 5, we round down.
- Estimate: 3000

3. Number: 6552
- When rounding 6552, we look at the hundreds digit, which is 5. Since it is 5 or greater, we round up.
- Estimate: 7000

### Step 2: Summing the Actual Numbers
Next, we add up the actual numbers as they are, without rounding.

[tex]\[ 7081 + 3165 + 6552 = 16798 \][/tex]

### Step 3: Summing the Estimated Numbers
Then, we add up the numbers we obtained from rounding.

[tex]\[ 7000 + 3000 + 7000 = 17000 \][/tex]

### Summary
Now we summarize our findings in the table format:

\begin{tabular}{|l|l|l|}
\hline
Actual & [tex]$7081 + 3165 + 6552 = 16798$[/tex] & \\
\hline
Estimate & [tex]$7000 + 3000 + 7000 = 17000$[/tex] & \\
\hline
\end{tabular}

By following these steps, we accurately estimated the sum of the numbers by rounding and also provided the precise sum of the actual numbers.