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Q: $$ \ 81^{2.5}×8^{4.5}÷3^{4.8}=9^?$$

  • 1
    $$ \ 7.1 $$
  • 2
    $$ \ 9.4 $$
  • 3
    $$ \ 4.7 $$
  • 4
    $$ \ 4.5 $$
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Answer : 1. "$$ \ 7.1 $$"

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