Evaluate
81\left(xy\right)^{4}
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81\left(xy\right)^{4}
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3^{4}x^{4}y^{4}
Expand \left(3xy\right)^{4}.
81x^{4}y^{4}
Calculate 3 to the power of 4 and get 81.
3^{4}x^{4}y^{4}
Expand \left(3xy\right)^{4}.
81x^{4}y^{4}
Calculate 3 to the power of 4 and get 81.
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