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##### 9^9 + 9^9 + 9^9=...? ________________________________

3^19

##### Explanation
```
9   9   9
9 + 9 + 9

there is no formula of addition of exponents values

_   _ 9
9   |   2 |
We know 9  = |  3  |  therefore
|_   _|

_   _ 9   _   _ 9   _   _9
|   2 |   |   2 |   |   2 |
= |  3  | + |  3  | + |  3  |
|_   _|   |_   _|   |_   _|

18  18  18
= 3 + 3 + 3

_         _
18 |           |
= 3   | 1 + 1 + 1 |
|_         _|

18
= 3   . 3

19
= 3

```

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##### SHORTCUT TRICKS (Division)
• Divisible by 2 Shortcut trick
• Divisible by 3 Shortcut trick
• Divisible by 4 Shortcut trick
• Divisible by 5 Shortcut trick
• Divisible by 6 Shortcut trick • Divisible by 7 Shortcut trick • Divisible by 8 Shortcut trick • Divisible by 9 Shortcut trick
• Divisible by 10 Shortcut trick

##### Worksheets (Solved)

###### Integration     