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Anonymous

4y ago

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What is the value of the digit 7 in 27.002?

7 ones


What is the probability that a 3-digit positive integer picked at random will have one or more 7 in its digits?

A three digit number can be chosen in 9*10*10 = 900ways No. of ways to choose a three digit number without 7 is 8*9*9 = 648 ways probability of picking a three digit number that includes atleast one digit that is 7 is 1- (648/900) = 252/900 = 7/25


What do you call 14 digit number?

A 14-digit number is typically referred to as a "14-digit number." In mathematics, numbers are generally identified by the number of digits they contain, such as a 3-digit number, 7-digit number, etc. In computing, a 14-digit number may also be referred to as a "14-digit integer" or "14-digit numerical value."


What is the probability that a seven-digit phone number contains the number 7?

Best way to answer this question is by figuring out the probability of a phone number not containing the number 7. There are 9 other numbers that are not a 7, so odds of each digit not being a 7 is 90%. For a 7-digit number, calculation would be 0.9*0.9*0.9*0.9*0.9*0.9*0.9 or 0.9^7. This equals 47.8%, which means the odds of a phone number containing at least one 7 is 100% - 47.8%, which is 52.2%. But phone numbers do not begin with 0 or 1, so if we account for that, the odds of the first digit not being a 7 is 7/8, not 9/10. We replace the first 0.9 with 0.875, and the result is 53.5%. There are other scenarios we can take out, like numbers that begin with 555, but I'll just leave it at that.


How many possible combinations of a 7-digit number?

If the same 7 digits are used for all the combinations then n! = 7! = 7*6*5*4*3*2*1 = 5040 combinations There are 9,999,999-1,000,000+1=9,000,000 7-digit numbers.

Related Questions

What is the value of the digit 8 in the number 84,047,302?

What is the value of the digit 7 in the number 703,804,100?


What is the place and value of the digit 7 in the number 6765982?

In the number 6765982, the digit 7 is in the millions place. Its value is 7,000,000, as it represents seven million in the overall value of the number.


What is the value digit 7 in 67.100?

In the number 67.100, the digit 7 is in the tens place. This means its value is 70, as it represents seven tens. The overall value of the number is 67.100, but specifically, the value contributed by the digit 7 alone is 70.


What is the value of 7 in the number 4.105?

It has no value because the digit 7 is not in the given number of 4.105


What is the difference between the face value of 7 in the numeral 574873 is?

The face value of a digit is the value of the digit itself, regardless of its position in the number. In the numeral 574873, the face value of the digit 7 is 7. The difference between the face value of 7 and its place value in this number is 0, as the place value of 7 in this number is also 7 (tens of thousands place).


The value of the digit 7 in the 17 462 is 10 times the value of the digit 7 in which number listed below?

The value of the digit 7 in 17,462 is 700, as it is in the hundreds place. To find a number where the value of 7 is 70, it would need to be in the tens place. Therefore, the digit 7 in the number 70 has a value of 70, which is 10 times less than 700 in 17,462.


What is the place value of the digit 7 in the number 71?

The digit 7 in the number 71 is in the tens place. In a two-digit number like 71, the rightmost digit is in the ones place and the leftmost digit is in the tens place. Therefore, the place value of the digit 7 in the number 71 is 70, which represents 7 tens.


What is the value of the digit 7 in the number 709?

In the number 709, the digit 7 is in the tens place. Therefore, its value is 7 multiplied by 10, which equals 70. The digit 7 represents 70 in this number, as it is in the tens place.


What is the digit of the 7 in 567890?

In the number 567890, the digit '7' is in the hundreds place. This means it represents 700 in the overall value of the number. Therefore, the digit of the 7 specifically is 7.


In the number 2.175 the value of the digit 7 is?

hundredth


What is the place value of the digit 7 in 3.957?

In the number 3.957, the digit 7 is in the thousandths place. This means its place value is one-seventh of a whole, or 0.007. Therefore, the value of the digit 7 in this context is 0.007.


What number has the same value as the digit 7 in the number 5.73?

70