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How many strings of three decimal digits begin with an odd digit?
Wiki User
∙ 12y ago
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.
Wiki User
∙ 12y ago
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How many strings of four decimal digits contain each digit at most twice?
9630 of them. 10 have all four digits the same and 360 have 3 of one and 1 of another.
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 a decimal in which a digit or a group of digits repeats without end?
It is a repeating decimal.
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 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.
How many strings of four decimal digits contain each digit at most twice?
9630 of them. 10 have all four digits the same and 360 have 3 of one and 1 of another.
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 a decimal in which a digit or a group of digits repeats without end?
It is a repeating decimal.
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.
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.
How many digits are there in decimal?
A decimal is a way of representing a number in such a way that the place value of each digit is ten times that of the digit to its right. A decimal representation does not require a decimal point. It can have any number of digits: from one to infinitely many.
How many strings of four decimal digit have exactly three digit that are nine?
The number of strings of four decimal digits that have exactly three digits which are nine is the number of ways to choose three places to choose the nines multiplied by the number of possibilities for the other digits (because you can put all of the possibilities in an array so that each column has a different way of arranging the nines and that each row has a different set of other digits (because they do not affect each other)). The number of ways to choose the three places to choose the nines is the same as the number of ways of choosing 4-3=1 spot for there not to be a nine. The number of ways of choosing 1 spot where there are 4 spots is 4 (the first, the second, the third, or the fourth). Since there are 9 digits that are not nine, the number of choices for the other digits is 9 (since there is only one digit). Thus, there are 4*9=36 strings of four decimal digits that have exactly three digits which are nine.
