Six Ways of Writing Whole Numbers
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Number forms are the different ways of writing whole numbers. See below the six different ways of writing the same whole number.
The following table shows the number forms for a number much bigger than 324. Notice that in the figure above, we do not have a short word form for 324. However, we do have a short word form for the number 645927.
The short word form is used for numbers greater than one thousand.
| Number Forms | Example |
| Standard form | 645,927 |
| Word form or written form | six hundred fourty-five thousand, nine hundred twenty-seven |
| Short word form | 645 thousand, 927 |
| Expanded form | (6 × 100,000) + (4 × 10,000) + (5 × 1000) + (9 × 100) + (2 × 10) + (7 × 1) |
| Exponential form | (6 × 105) + (4 × 104) + (5 × 103) + (9 × 102) + (2 × 101) + (7 ×100) |
| Scientific form | 6.45927 × 105 |
More Examples Showing the Six Ways of Writing Whole Numbers
Example #1
Show the six different ways of writing 572,048
Solution
Standard form: 572048
Word form: Five hundred seventy-two thousand, forty-eight
Short word form: 572 thousand, 48
Expanded form: (5 × 100000) + (7 × 10000) + (2 × 1000) + (0 × 100) + (4 × 10) + (8 × 1)
Exponential form: (5 × 105) + (7 × 104) + (2 × 103) + (0 × 102) + (4 × 101) + (8 × 100)
Scientific form: 5.72048 × 105
Example #2
Show the six different ways of writing 8,796,532,148
Solution
Standard form: 8,796,532,148
Word form: Eight billion, seven hundred ninety-six million, five hundred thirty-two thousand, one hundred forty-eight
Short word form: 8 billion, 796 million, 532 thousand, 148
Expanded form: (8 × 1000000000) + (7 × 100000000) + (9 × 10000000) + (6 × 1000000) + (5 × 100000) + (3 × 10000) + (2 × 1000) + (1 × 100) + (4 × 10) + (8 × 1)
Exponential form: (8 × 109) + (7 × 108) + (9 × 107) + (6 × 106) + (5 × 105) + (3 × 104) + (2 × 103) + (1 × 102) + (4 × 101) + (8 × 100)
Scientific form: 8.796532148 × 109