Sometimes it is advantageous to express a value in round numbers. To round to a particular place, look at the digit immediately to the right of the one you want to round to, in this case, the hundredths place. If that digit is 4, 3, 2, 1 or 0, zero it and everything to the right of it out. If that digit is 5, 6, 7, 8 or 9, increase your target digit by one and zero everything to the right of it out. If your target digit is 9, it will become a zero and increase the digit to the left of it by one.
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you look at the number and if the last digit is 5 or over, then you round up to the nearest ten. if the number is 4 or under you round down to the nearest ten.
64 would round to 60 but 65 would round to 70
5.08 rounded to the nearest tenths place is 5.1
67.5
To round 28.3 to the nearest tenths place, you look at the digit in the hundredths place, which is 3. Since 3 is less than 5, you keep the digit in the tenths place the same. Therefore, 28.3 rounded to the nearest tenths is 28.3.
Since the digit in the hundredths place is greater than or equal to 5, round up the tenths place. So 14.0 rounded to the nearest tenths place is 14.1.
Since the digit in the hundredths place is greater than or equal to 5, round up the tenths place. So 19.96 rounded to the nearest tenths place is 20.