Question

List all the numbers which can be rounded off to 100 ​

Answer 1

Answer:

90 is the answer to your question

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Answer 2

Answer:

Rules for Rounding off to the Nearest 100:

Rule I: While rounding off to the nearest hundred, if the digit in the tens place is between 0 – 4 i.e. < 5, then the tens place is replaced by ‘0’.

Rule II: If the digit in the units place is equal to or >5, then the tens place is replaced by ‘0’ and the hundreds place is increased by 1.

(i) 142 → 100  

We see the digit in the tens place is 2, we round to the nearest multiple of hundred which is less than the number. Hence, 142 is nearer to 100 than 200.

(ii) 486 → 500

We see the digit in the tens place is 8, we round to the nearest multiple of hundred which is greater than the number. Hence, 486 is nearer to 500 than 400.

(iii) 799 → 800

We see the digit in the tens place is 9, we round to the nearest multiple of hundred which is greater than the number. Hence, 799 is nearer to 800 than 700.

(iv) 4387 → 4400

We see the digit in the tens place is 8, we round to the nearest multiple of hundred which is greater than the number. Hence, 4387 is nearer to 4400 than 4300.

(v) 950 → 1000

We see the digit in the tens place is 5, we round to the nearest multiple of hundred which is greater than the number. Hence, 950 is nearer to 1000 than 900.

Infact 90 numbers can be rounded off to 100

hope this helps...