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 \( \frac{7z^5}{1z^2} \)?
| 7z7 | |
| 7z2\(\frac{1}{2}\) | |
| 7z\(\frac{2}{5}\) | |
| 7z3 |