Understanding base value

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The place value helps identifying the digits place in a given number. In a whole number the digit to the extreme right is the ones place. The digit to the right of the ones place in the tens. The digit to the right of the tens place in the hundreds. The digit to the right of the hundreds place in the thousands and so on. While rounding to the nearest whole number if the number to the right of the rounding number is less the 5 round down and if the number is 5 or more round up. Then replace the removed digits by zeroes in the given number.

Example 1: Write the place values for the given number 63,125?
Solution: Here the number 63,125 has 5 digits.
The digit in the ones place value is 5.
The digit in the tens place value is 2.
The digit in the hundreds place value is 1.
The digit in the thousands place value is 3.
The digit in the ten thousands place value is 6.
Question: Multiple choice question (Pick the correct option.)
What is 234 rounded to nearest ten’s place?
a)    230                 b) 240                        c) 235             d) None of these.
Correct answer: option a.
The number in the ten’s place is 3 in 234.
The number to the right of the ten’s place is 4 which is lesser than 5.
The number is rounded down. Replace all the numbers to the right of ten’s by zeroes.
Hence rounding the number is 230.

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