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6561
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How many 2-digit numbers contain digit 1?
1
How many 5 digit numbers contain exactly two 7 in them?
There are 6804 such numbers.
How many different numbers can you form if no digit is repeated?
The answer will depend on how many digits you have at your disposal. Working with the 10 digits, and barring leading zeros, there are 8,877,690 numbers.
How many seven digit numbers contain the number seven at least once?
To find the total number of seven-digit numbers that contain the number seven at least once, we can use the principle of complementary counting. There are a total of 9,999,999 seven-digit numbers in total. To find the number of seven-digit numbers that do not contain the number seven, we can count the number of choices for each digit (excluding seven), which is 9 choices for each digit. Therefore, there are 9^7 seven-digit numbers that do not contain the number seven. Subtracting this from the total number of seven-digit numbers gives us the number of seven-digit numbers that contain the number seven at least once.
How many three digit numbers contain at least two sevens?
27: 077,177,277,377,477,577,677,877,977,717,727,737,747,757,767,777,787,797
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 6 digit numbers can be formed that contains no zeros two times the digit 1 two times the digit 2?
16000
How many a 2 -digit numbers contain the digit 4?
-2
How many 2-digit numbers contain digit 1?
1
How many 4 digit numbers are there?
In base ten, there are 9000 four digit number, the numbers are from 1000 to 9999. If you allow leading zeros, then there are 10000 numbers. [0000 - 9999]
How many 2-digit numbers contain the digit 7 only once?
-5
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.
The numbers 0.03 and 0.005 are multiplied Exactly how many zeros are between the decimal point and the first nonzero digit in the product?
three zeros
How many three digit numbers have digits that add up to zero?
None. The only way for it to be possible would be 3 zeros which is not considered a 3 digit numbers.
How many zeros does a thousand digit number have?
A Thousand digit number will have 999 zeros
How many 3 digit numbers contain the digit 2 at least once?
252
