How far away from the surface of earth does the acceleration due to gravity become 36% of its value on the surface of earth? Radius of earth `=6400km`.

Explanation

To find out how far away from the surface of the Earth the acceleration due to gravity becomes 36% of its value on the surface, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Problem**:
- The acceleration due to gravity at the surface of the Earth is given by the formula:
\[
g = \frac{GM}{R^2}
...