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To simplify, we can break down 2744 and 81 into their prime factors:
2744 = 2^3 × 7^3
81 = 3^4
Now we substitute these prime factorizations into the expression:
2744/(3^21 × 81)
= 2744/(3^20 × 3 × 3^3)
= 2^3 × 7^3/(3^20 × 3 × 3^3)
= (2^3 × 7^3)/(3^(20+1) × 3^3)
= (2^3 × 7^3)/(3^24 × 3^3)
= 2^3 × 7^3/3^24 × 3^3
= 2^3 × 7^3/3^(24 - 3)
= 2^3 × 7^3/3^21
Therefore, the expression 2744/(3^21 × 81) simplified is 2^3 × 7^3/3^21.