Estimating Decimal Numbers to Nearest Natural Numbers
The cash regi...
Question
The cash register at a supermarket accepts cash in dollars rounded to the tens place. A customer's bill adds up to $281.89. Calculate the payable amount by the customer in dollars.
280
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Solution
The correct option is A 280 For rounding off to tens place, we observe the ones place digit.
Here, 1<5 ∴ The digit of ones place is reduced by 1. 1−0=0
Hence, the payable amount is $280.