French Joseph
09/14/2024 · Middle School
We the value of each expression. \[ 6.82+97+53 \text { (by rounding addends to the highest place value) } \] \( 77.1453 \times 272 \) (by rounding each factor to the nearest hundred)
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Step-by-step Solution
Let's evaluate each expression step by step.
1. **For the expression \( 6.82 + 97 + 53 \) by rounding addends to the highest place value:**
- Round \( 6.82 \) to the nearest ten: \( 6.82 \) rounds to \( 10 \).
- Round \( 97 \) to the nearest ten: \( 97 \) rounds to \( 100 \).
- Round \( 53 \) to the nearest ten: \( 53 \) rounds to \( 50 \).
Now, we add the rounded values:
\[
10 + 100 + 50 = 160
\]
2. **For the expression \( 77.1453 \times 272 \) by rounding each factor to the nearest hundred:**
- Round \( 77.1453 \) to the nearest hundred: \( 77.1453 \) rounds to \( 100 \).
- Round \( 272 \) to the nearest hundred: \( 272 \) rounds to \( 300 \).
Now, we multiply the rounded values:
\[
100 \times 300 = 30000
\]
Thus, the values of the expressions are:
- \( 6.82 + 97 + 53 \) (rounded) = **160**
- \( 77.1453 \times 272 \) (rounded) = **30000**
Quick Answer
- \( 6.82 + 97 + 53 \) (rounded) = **160**
- \( 77.1453 \times 272 \) (rounded) = **30000**
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