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Chapter 1: Problem 464

Name each number in words. $$31,640,976$$

Short Answer

Expert verified
Thirty-one million, six hundred forty thousand, nine hundred seventy-six.

Step by step solution

01

Understand the Place Values

First, identify the place value of each digit in the number 31,640,976. The number can be grouped into periods, such as millions, thousands, and ones. Here is the breakdown: - 31 is in the millions place. - 640 is in the thousands place. - 976 is in the ones place.
02

Convert Each Section to Words

Convert each section separately to words: - 31 in the millions place is 'thirty-one million.' - 640 in the thousands place is 'six hundred forty thousand.' - 976 in the ones place is 'nine hundred seventy-six.'
03

Combine the Words

Combine the words to form the final answer. Join each section with the appropriate place value term to create the final number in words: 'thirty-one million, six hundred forty thousand, nine hundred seventy-six.'

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Key Concepts

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

place value
Place value is an essential concept in understanding numbers. Each digit in a number has a specific position, and its value depends on that position. For large numbers, we group digits into periods of three, such as units, thousands, and millions.
For example, in 31,640,976:
  • 31 is in the millions place.
  • 640 is in the thousands place.
  • 976 is in the units place.
By breaking the number into these groups, it's easier to read and understand.
writing numbers in words
Writing numbers in words from digits involves reading each group's place value and converting it into words. Start with the largest group and work down to the smallest. In 31,640,976:
  • 31 in the millions place becomes 'thirty-one million.'
  • 640 in the thousands place is 'six hundred forty thousand.'
  • 976 in the units place is 'nine hundred seventy-six.'
Combining these gives us the number: 'thirty-one million, six hundred forty thousand, nine hundred seventy-six.'
large numbers
Dealing with large numbers can be daunting, but understanding the place value makes it manageable. Use commas to group digits into periods of three, which aids in readability. Each period has a name:
  • Units (no name)
  • Thousands
  • Millions
  • Billions
In the number 31,640,976, the period breakdown helps us quickly recognize each section, making it easier to write the number in words and understand its magnitude.

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Most popular questions from this chapter

Use Division Notation Translate from math notation to words. $$42 / 7$$

Divide. Then check by multiplying. $$\frac{32}{8}$$

Cooking Ratika is making rice for a dinner party. The number of cups of water is twice the number of cups of rice. If Ratika plans to use 4 cups of rice, how many cups of water does she need?

Calories Fred had a grilled chicken sandwich, a small order of fries, and a 12-oz chocolate shake for dinner. The restaurant鈥檚 nutrition chart lists the following calories for each item: Grilled chicken sandwich 鈥� 420 calories Small fries 鈥� 230 calories 12-oz chocolate shake 鈥� 580 calories What was the total number of calories of Fred鈥檚 dinner?

Subtract and then check by adding. $$46-21$$
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