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How many strings of four decimal digits contain each digit at most twice?
Wiki User
∙ 11y ago
9630 of them.
10 have all four digits the same and 360 have 3 of one and 1 of another.
Wiki User
∙ 11y ago
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What rule must be used to find the number of strings of four decimal digits that do not contain the same digit twice?
It is the number of combinations of four numbers where the number of available digits starts at 10 and reduces by 1 each time.
A decimal number in which a digit or group of digits repeats without end?
a decimal in which a digit or group of digits repeats without end
Where is the first 0 in the digits of pi found?
The first occurrence of the digit 0 in the digits of pi is at the 32nd decimal place.
What is standard form of decimals?
The standard form is a string of digits such that the place value of each digit is ten times that of the digit to its right. It may or may not contain a decimal point.
How many strings of three decimal digits begin with an odd digit?
There are 500 of 3-digit numbers begin with an odd one (100-199, 300-301, 500-599,700-799, and 900-999). In terms of "how many strings of", may filter or expand the above answer.
How many strings of four decimal digits end with an even digit?
There are 5000 such strings.
How many strings of six decimal digits end with an even digit?
There are 500000 such numbers.
What rule must be used to find the number of strings of four decimal digits that do not contain the same digit twice?
It is the number of combinations of four numbers where the number of available digits starts at 10 and reduces by 1 each time.
How many strings of four decimal digits do not contain the same digit twice?
If the lead digit cannot be zero then there are 9 x 9 x 8 x 7 = 4536 combinations. If the lead digit can be zero then there are, 10 x 9 x 8 x 7 = 5040 combination.
A decimal number in which a digit or group of digits repeats without end?
a decimal in which a digit or group of digits repeats without end
How many strings of three decimal digits begin with an odd digit?
There are 500 of 3-digit numbers begin with an odd one (100-199, 300-301, 500-599,700-799, and 900-999). In terms of "how many strings of", may filter or expand the above answer.
What is standard form of decimals?
The standard form is a string of digits such that the place value of each digit is ten times that of the digit to its right. It may or may not contain a decimal point.
Where is the first 0 in the digits of pi found?
The first occurrence of the digit 0 in the digits of pi is at the 32nd decimal place.
What is a decimal in which a digit or a group of digits repeats without end?
It is a repeating decimal.
Is a decimal number with two digits is sometimes equal to a decimal number with three digits?
Only if the final digit, after the decimal point, is zero.
What is the digits or digit that repeats in a repeating decimal?
It can be any digit. 1/9 = 0.1111... 2/9 = 0.2222... etc 1.0 = 0.99999.... (odd though that might seem, it is mathematically true.) Or it can be different strings of digits: Division by 7 gives 142857 Division by 13 gives 307692
What is the difference between a decimal point and a decimal place?
The decimal point of a number separates the whole part of the number from the fractional part of the number. It is located between the units column and the tenths column of every number. A decimal place is one of the digits after the decimal point: The first decimal place is the first digit, which is the tenths digit The second decimal place is the second digit, which is the hundredths digit The third decimal place is the third digit, which is the thousandths digit etc. When showing or rounding to a number of decimal places there will be that number of digits after the decimal place. eg the number 5.671 has three decimal places as there are three digits after the decimal point and the second decimal place, for example, contains the digit 7.
