Question

How many 6 digit number are there in all ​

Answer 1

Answer:

The lowest 6 digit number is 100,000 and the highest 6 digit number is 999,999 subtract 100,000 - 999,999 =899,999 ,but then add 1 because we want to include both 100,000 and 999,999

Answer:-900,000

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Answer 2

Answer:

let take the highest six digit number which 999,999

999,999 is the total number of numbers from 1 to 999,999

now you just I want the number of 6 digit numbers

let's take the highest 5 digit number which is 99,999

99,999 is number of numbers from 1 to 999,999 which are not a 6 digit number

therefore to find the number of 6 digit number all we do is 999,999-99,999

which gives us 900,000

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