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 \( \frac{-7y^5}{9y^3} \)?
| -\(\frac{7}{9}\)y2 | |
| -1\(\frac{2}{7}\)y8 | |
| -\(\frac{7}{9}\)y15 | |
| -\(\frac{7}{9}\)y1\(\frac{2}{3}\) |