Express the following mathematical operations in scientific notation.
1) `(7.7xx10^(9))/(6.6xx10^(5))" 2)" (7.7xx10^(-7))/(6.6xx10^(5))`

Explanation

To express the given mathematical operations in scientific notation, we will follow these steps for each operation.

### 1) \((7.7 \times 10^{9})/(6.6 \times 10^{5})\)

**Step 1: Divide the coefficients.**
- Divide \(7.7\) by \(6.6\):
\[
\frac{7.7}{6.6} \approx 1.1667
...