| Ones | Tenths | Hundredths | Thousandths | Ten Thousandths | Hundred Thousandths | Millionths | ||
|---|---|---|---|---|---|---|---|---|
| 9.999999 | 9 | . | 9 | 9 | 9 | 9 | 9 | 9 |
Expanded Form of 9.999999:
9.999999 = (9 * 100) + (9 * 1/101) + (9 * 1/102) + (9 * 1/103) + (9 * 1/104) + (9 * 1/105) + (9 * 1/106)
9.999999 = (9 * 1) + (9 * 1/10) + (9 * 1/100) + (9 * 1/1,000) + (9 * 1/10,000) + (9 * 1/100,000) + (9 * 1/1,000,000)
9.999999 = 9 + 9/10 + 9/100 + 9/1,000 + 9/10,000 + 9/100,000 + 9/1,000,000
9.999999 = 9 + 0.9 + 0.09 + 0.009 + 0.0009 + 0.00009 + 0.000009
