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From place value of numbers,
we know that
|
Thousands |
Hundreds |
Tens |
Ones |
| 2 | 4 | 8 | 6 |
We write the number as
2486 = 2 × 1000 + 4 × 100 + 8 × 10 + 6 × 1
= 2 × 10 3 + 4 ×10 2 + 8 × 10 1 + 6 × 10 0
So, we can write any number as power of 10
For number,
|
Ten Thousands |
Thousands |
Hundreds |
Tens |
Ones |
| 9 | 8 | 2 | 7 | 6 |
We write the number as
98276 = 9 × 10,000 + 8 × 1,000 + 2 × 100 + 7 × 10 + 6 × 1
= 9 × 10 4 + 8 × 10 3 + 2 × 10 2 + 7 × 10 1 + 6 × 10 0
For number,
|
Tens |
Ones |
| 2 | 8 |
We write the number as
28 = 2 × 10 + 8 × 1
= 2 × 10 1 + 8 × 10 0
For decimal number,
849.58
In place value table
|
Hundreds |
Tens |
Ones |
Decimal |
Tenth |
Hundredth |
| 8 | 4 | 9 | . | 5 | 8 |
So, we write the number as
849.58 = 8 × 100 + 4 × 10 + 9 × 1 + 5 × 1/10 + 8 × 1/100
= 8 × 10 2 + 4 × 10 1 + 9 × 10 0 + 5 × 1/10 1 + 8 × 1/10 2
= 8 × 10 2 + 4 × 10 1 + 9 × 10 0 + 5 × 10 -1 + 8 × 10 -2
For decimal number,
29.0008
In place value table
|
Tens |
Ones |
Decimal |
Tenth |
Hundredth |
thousandth |
Ten Thousandt h |
| 2 | 9 | . | 0 | 0 | 0 | 8 |
We write the number as;
29.0008 = 2 × 10 + 9 × 1 + 0 × 1/10 + 0 × 1/100 + 0 × 1/1000 + 8 × 1/10000
= 2 × 10 1 + 9 × 10 0 + 0 × 10 -1 + 0 × 10 -2 + 0 × 10 -3 + 8 × 10 -4
= 2 × 10 1 + 9 × 10 0 + 8 × 10 -4
