As long as there are no numbers after them the zeros on the right of the decimal don't matter (i.e. 6.3000000=6.3 3.00000=3)
So 81.9=81.90=81.900
Since three of them are the same number there is only one answer left (81.91)
Squares have 4 equal sides, thus, the answer is 48 in^2.
Answer:
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Step-by-step explanation:
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