what is the approximate value of 19−−√?

The approximate value of √19 is approximately 4.36

To find the approximate value of !9, we can use a calculator or mathematical software.

- Using a calculator, you can enter "19^(1/2)" or "sqrt(19)" to find the square root of 19. The approximate value of the square root of 19 is 4.358898944.

- Alternatively, you can use mathematical software like Python. In Python, you can use the math module to find the square root of 19. Here's an example:

```
import math
result = math.sqrt(19)
print(result)
```
The output will be: 4.358898944

Therefore, the approximate value of !19 is approximately 4.358898944.