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Identify the correct expanded form and standard form for 93.
9 x 9 x 9; 729
9 x 9 x 9; 27
3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3; 19,683
3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3; 27