Expression: $\left( 3{y}^{4} \right) \times \left( -3{y}^{2} \right) \times \left( 3{y}^{10} \right)$
Multiplying an odd number of negative terms makes the product negative $-3{y}^{4} \times 3{y}^{2} \times 3{y}^{10}$
Calculate the product $-27{y}^{16}$