what is a general form of 2 digit number
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Numbers can be written in general form. Thus, a two digit number ab will be written as ab = 10a + b. The sum of a 2-digit number and the number obtained by interchanging its digits is always divisible by 11.
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Answered by
3
Answer:
Numbers can be written in general form. Thus, a two digit number ab will be written as ab = 10a + b. The sum of a 2-digit number and the number obtained by interchanging its digits is always divisible by 11.
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