To multiply terms with the same base, multiply the coefficients and add the exponents. To divide terms with the same base, divide the coefficients and subtract the exponents. For example, 3x2 x 2x2 = 6x4 and \({8x^5 \over 4x^2} \) = 2x(5-2) = 2x3.
What is \( \frac{8a^9}{7a^2} \)?
| \(\frac{7}{8}\)a7 | |
| \(\frac{7}{8}\)a11 | |
| 1\(\frac{1}{7}\)a7 | |
| 1\(\frac{1}{7}\)a4\(\frac{1}{2}\) |