Estimate a 10% tip on a bill of $132.71 by first rounding the bill amount to the nearest ten dollars.%0D%0AEstimatedtip:$
To round the bill amount to the nearest ten dollars, we look at the digit in the ones place, which is 1. Since 1 is less than 5, we round down to the nearest ten dollars.
The rounded bill amount is $130.
To calculate a 10% tip on $130, we multiply $130 by 0.10:
$130 x 0.10 = $13
Therefore, the estimated tip is $13.