Sum of the first 20 Whole Numbers
Publish date: 2024-06-06
Calculate the sum of the following
The first 20 Whole Numbers
Σ n Whole Numbers formula:
| S20 = | n(n - 1) |
| 2 |
| S20 = | 20(20 - 1) |
| 2 |
| S20 = | 20(19) |
| 2 |
| S20 = | 380 |
| 2 |
S20 = 190
Average (A) of the first 20 Whole Numbers
| A = | Sum of the first 20 Whole Numbers |
| Count |
| A = | 190 |
| 20 |
Average (A) of the first 20 Whole Numbers = 9.5
Sum of the first 20 Whole Numbers
| n | Wn |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 6 |
| 8 | 7 |
| 9 | 8 |
| 10 | 9 |
| 11 | 10 |
| 12 | 11 |
| 13 | 12 |
| 14 | 13 |
| 15 | 14 |
| 16 | 15 |
| 17 | 16 |
| 18 | 17 |
| 19 | 18 |
| 20 | 19 |
Final Answer
S20 = 190
Average (A) of the first 20 Whole Numbers = 9.5
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