Question

Perform the indicated operations. $$247.9+40+0.56$$

   Perform the indicated operations. $$247.9+40+0.56$$

Prealgebra

Alan S. Tussy, R.… 4th Edition

Chapter 5, Problem 75

Instant Answer

Solved by Expert Garrett Bess

07/24/2020

Step 1

This gives us: \[ \begin{array}{c} 247.90 \\ +40.00 \\ +0.56 \\ \end{array} \] Show more…

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Perform the indicated operations. $$247.9+40+0.56$$

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Key Concepts

Place Value

Understanding place value is essential when working with decimals, as each digit represents a specific magnitude (such as ones, tenths, hundredths). This understanding helps in aligning numbers correctly for addition.

Decimal Addition

Decimal addition is the process of summing numbers that include decimal fractions. This requires aligning the decimal points so that digits in the same place value are added together, ensuring each column is properly summed.

Carry Over in Addition

Carry over in addition refers to the process of transferring excess value to the next higher place when the sum in a column exceeds the base (typically 10). This is crucial for accurately computing sums in any arithmetic operation, including decimals.

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