Exercise 33

Evaluate the following expressions.

  1. Evaluate \({\left(-3y\right)^{2}}\) when \(y=-1\text{.}\)

    \(\displaystyle{{\left(-3y\right)^{2}}=}\)

  2. Evaluate \({\left(-3y\right)^{3}}\) when \(y=-1\text{.}\)

    \(\displaystyle{{\left(-3y\right)^{3}}=}\)

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