Which expression is equivalent to RootIndex 3 StartRoot 32 x Superscript 8 Baseline y Superscript 10 Baseline EndRoot? 4 x squared y cubed (RootIndex 3 StartRoot 2 x squared y EndRoot) 2 x Superscript 4 Baseline y Superscript 5 Baseline (RootIndex 3 StartRoot 4 EndRoot) 2 x squared y cubed (RootIndex 3 StartRoot 4 x squared y EndRoot) 4 x Superscript 4 Baseline y Superscript 5 Baseline (RootIndex 3 StartRoot 2 EndRoot)