To estimate a 5% tip on a bill of $79.54 by first rounding the bill amount to the nearest ten dollars, we need to round $79.54 to the nearest ten dollars, which is $80.
Next, we find 5% of $80:
5% of $80 = (5/100) * $80 = $4.
Therefore, the estimated tip is $4.
Estimate a 5% tip on a bill of $79.54 by first rounding the bill amount to the nearest ten dollars.%0D%0AEstimatedtip:$
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