Question

Add or subtract as indicated. $25.32+109.2+8.574$

   Add or subtract as indicated.
$25.32+109.2+8.574$

College Algebra and Trigonometry

College Algebra and Trigonometry

Margaret L. Lial,… 7th Edition

Chapter 0, Problem 93

Instant Answer

Solved by Expert Erika Bustos

08/18/2021

Step 1

320\\ +109.200\\ +\phantom{0}8.574\\ \hline \end{array} \] Show more…

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Add or subtract as indicated. $25.32+109.2+8.574$

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Key Concepts

Place Value

Place value refers to the value of a digit depending on its position within a number, especially in relation to the decimal point. In decimal arithmetic, understanding place value is crucial as it determines how digits are grouped (ones, tenths, hundredths, etc.) and ensures that during operations like addition, corresponding digits are correctly aligned and summed based on their positional value.

Decimal Addition

Decimal addition is the process of summing numbers that contain decimal points by ensuring that digits with the same place value are aligned. This method requires careful handling of the decimal point, so that each digit, whether in the whole number part or the fractional part, is added correctly. It often involves lining up the numbers by their decimal points and then performing addition column by column, sometimes carrying over if a column sum exceeds nine.

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