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Chapter 1: Problem 531

Write as a decimal. Twenty-nine and eighty-one hundredths

Short Answer

Expert verified
29.81

Step by step solution

01

Convert Words to Numbers

Identify the number represented by the words. 'Twenty-nine' represents the whole number 29, and 'eighty-one hundredths' represents the decimal value 0.81.
02

Combine Whole Number and Decimal

Combine the whole number 29 and the decimal value 0.81 to form the number in decimal notation. This gives us 29.81.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Converting Words to Numbers
The first step is to turn the given words into numerical values. This might seem tricky, but with some practice, it gets easier.
When you read 'Twenty-nine,' you recognize it as the number 29.
Next, 'eighty-one hundredths' translates to 0.81. Here, 'hundredths' suggest two decimal places, thus transforming 81 into 0.81.
Understanding how to map words to numerical values is crucial.
So, always break down the words, and write them step by step to avoid mistakes.
Combining Whole Numbers and Decimals
After converting the words to numbers, the next step is to combine them.
In this example, we have the whole number 29 and the decimal value 0.81.
To combine these, simply place the decimal part right after the whole number.
This is as simple as writing 29 and then putting .81 right next to it.
So, 29 combined with 0.81 forms 29.81.
This shows how whole numbers and decimals come together to form complete numbers.
Decimal Notation
Decimal notation is a way of writing numbers that uses a decimal point to separate the whole number from the fractional part.
This system makes it easy to represent values that are not whole numbers.
For instance, 29.81 separates 29 (whole number) from 81 hundredths (fractional part).
To practice this, always identify where you need the decimal point.
  • The decimal point is placed immediately to the right of the whole number.
  • The digits after the decimal point represent parts of a whole, such as tenths, hundredths, thousandths, etc.

Mastering decimal notation allows you to handle various mathematical and real-life problems efficiently.

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Most popular questions from this chapter

Simplify. $$ 0 \cdot \frac{8}{15} $$

Divide. $$ \$ 109.24 \div 36 $$

Multiply. $$ (0.06)(21.75) $$

Multiply. $$ (-8.5)(1.69) $$

Make the unit conversions. Round to the nearest tenth. Frankie is 42 inches tall Convert his height to centimeters.
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