Here's how to convert it:
1. Move the decimal point to the left until there is only one non-zero digit to the left of the decimal. In this case, we move it 9 places to the left.
2. Count the number of places you moved the decimal. This is your exponent. Since we moved it 9 places, the exponent is 9.
3. Write the number with the decimal point after the first digit. This gives us 6.5.
4. Multiply by 10 raised to the power of the exponent. So we get 6.5 x 109.
