Arianna and Kaliska were each asked to perform the following operation:
>$\dfrac{8y^3}{5}\cdot\dfrac{y^6}{10}$
Their answers are shown below:
**Arianna** ||| **Kaliska**
:-:|:-:|:-:|:-:
$\dfrac{4y^9}{25}$ ||| $\dfrac{16}{y^3}$
**Which student is correct?**
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