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How many 2-digit numbers contain the digit 7 only once?

Updated: 9/27/2023

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Continue Learning about Math & Arithmetic

How many 2 digit numbers contain the digit 4?

17

How many 4 digit numbers contain the digit 5?

There are 9000 4-digit numbers. 8*9*9*9 = 5832 of them do not contain a 5 The remaining 3168 contain a 5.

How many a 2 -digit numbers contain the digit 4?

-2

How many 2-digit numbers contain the digit?

It would help to know which digit. 0 appears in 9 numbers and each of the others in 18 numbers.

How many 3 digit numbers contain the digit 2 at least once?

252

Related questions

How many 2 digit numbers contain the digit 4?

17

How many 4 digit numbers contain the digit 5?

There are 9000 4-digit numbers. 8*9*9*9 = 5832 of them do not contain a 5 The remaining 3168 contain a 5.

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How many 3 digit numbers contain the digit 8?

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How many 2-digit numbers contain the digit?

It would help to know which digit. 0 appears in 9 numbers and each of the others in 18 numbers.

How many 3 digit numbers contain the digit 2 at least once?

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When The pages of a book are numbered from 1 to 128 How many page numbers contain the digit 6?

The pages of a book are numbered from 1 to 128. How many page numbers contain the digit 6?

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How many 2-digit numbers contain the digit 7 only once?

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