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How many 4-digit numbers are there in which the first and last digits are the same?
Wiki User
∙ 11y ago
There are 900 of them.
Wiki User
∙ 11y ago
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How is the last digit of a measurement different from the other digits?
the first number is usually in feet, the last number is in inches. so the last number = 1/12 of the first numbers value.
What is a four digit number with ascending digits whose first two numbers have a difference of two the third digit is even and the sum of the first three digits equal the last digit?
1348.
How do you estimate numbers?
Take the first few digits, if the next one is f or more, increase the last digit used by 1. Replace all subsequent digits with 0.
What is the last fourteen digits of pi?
There are no last 14 digits in pi. The first 14 are 3.14159265358979.
How many 9 digit numbers which are divisible by 4 can be formed by using the digits 1 to 5 if repetition of digits is allowed?
Reqd no. is 9 -digits.. available digits are 1 2 3 4 5.. Numbers which are divisible by 4 can be determined by the last two digits.. from the given combinations,, the numbers div by 4 are 12, 24, 32, 44, 52 so.. the number's last two digits can be any of the above 5. Hence, we have to calculate the combinations for the first 7 digits.. Ans: (5C1)^7 * 5 ie 5^8 = 390625
How many signigicant figures are in 230058.35?
There are eight significant figures in the number 230058.35. All numbers between the first and last digits, as well as the first and last digits, when the first and last digits aren't zero are included as a significant figure.
How is the last digit of a measurement different from the other digits?
the first number is usually in feet, the last number is in inches. so the last number = 1/12 of the first numbers value.
What are the possible sequence variations of a 5 digit sequence using the numbers 1 to 6 when the first 3 digits in the sequence are 345?
if repeating is allowed... 36 (6x6, for the last two digits) If not, 6 (3x2, last two digits)
What is a four digit number with ascending digits whose first two numbers have a difference of two the third digit is even and the sum of the first three digits equal the last digit?
1348.
How do you estimate numbers?
Take the first few digits, if the next one is f or more, increase the last digit used by 1. Replace all subsequent digits with 0.
What is the last fourteen digits of pi?
There are no last 14 digits in pi. The first 14 are 3.14159265358979.
What does 'last two digits' mean?
In the number 65437, the last two digits are 37 - a digit is one single character in a string of numbers.
How many 9 digit numbers which are divisible by 4 can be formed by using the digits 1 to 5 if repetition of digits is allowed?
Reqd no. is 9 -digits.. available digits are 1 2 3 4 5.. Numbers which are divisible by 4 can be determined by the last two digits.. from the given combinations,, the numbers div by 4 are 12, 24, 32, 44, 52 so.. the number's last two digits can be any of the above 5. Hence, we have to calculate the combinations for the first 7 digits.. Ans: (5C1)^7 * 5 ie 5^8 = 390625
How do you estimate large numbers?
Take the first few digits, if the next one is f or more, increase the last digit used by 1. Replace all subsequent digits with 0.
Why do credit cards have a 16 digit number?
Normally credit cards have 16 digits because of coding purposes. The first 6 digits are the issuer identification number, then the last number is the check number. The rest of the numbers are the account numbers.
A nine digit number the first 3 numbers equal 1 third of the last 3 the middle 3 numbers are the result of subtracting the first 3 from the last three all the digits from 1 to 9 are used only once?
273546819
David is writing the numbers from 1 to 1000. He stopped to rest after writing 630 digits. What is the last number he wrote?
There are 9 digits in the numbers from 1 to 9. There are 180 digits in the numbers from 10 to 99 (2 x 90). There are 441 digits in the numbers from 100 to 246 (3 x 147). Therefore, the last number David wrote before stopping to rest is 246.
