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 \( \frac{5y^9}{2y^4} \)?
| 2\(\frac{1}{2}\)y5 | |
| 2\(\frac{1}{2}\)y2\(\frac{1}{4}\) | |
| \(\frac{2}{5}\)y5 | |
| \(\frac{2}{5}\)y-5 |