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Five of them.
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∙ 10y ago
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How many ten digit palindromes are there?
90000. With 10 digit palindromes, the last 5 digits are the same as the first 5 digits in reverse, eg 12345 54321. So it comes down to how many 5 digit numbers are there? They are the numbers "10000" to "99999", a total of 99999 - 10000 + 1 = 90000.
Are there more 10-digit or 11-digit palindromic numbers?
-1
How many palindromes are between 700 - 800?
Ten of them.
How many palindromes are between 201 and 300?
Ten.
What happens to the tens digit and ones digit when you add tens?
When you add tens to the tens digit and ones it goes ten more.
How many whole number palindromes exist between 100 and 200?
There are ten such numbers.
How many 3 digit number have hundreds and ten digit that add up to 2?
5
What is the number if its ones digit is 4 more than its tens digit and its ones and tens digit add up to ten?
The answer would be 37.
How do you round 16326 to the nearest ten?
Look at the digit to the right of the tens digit. If it is 5 or more, add one to the digit and add zeros in the end. Otherwise it will be 4 or less and so leave the number alone.
How many 3-digit palindromes are there?
All sequences of the form XYX or XXX are palindromes: thus 000, 010, 020 … through 090, and again for every other digit (101, 111, 121, … 191). There are ten of these for each digit, none of which repeat, so 100 total. Please note that WikiAnswers is not here to do your homework for you. If this question is from work you have been assigned by a teacher or professor, I suggest you do the work yourself instead, which will help to increase your understanding of the subject matter and help you to become more familiar with it.
How many 3 digit palindromes are there?
All sequences of the form XYX or XXX are palindromes: thus 000, 010, 020 … through 090, and again for every other digit (101, 111, 121, … 191). There are ten of these for each digit, none of which repeat, so 100 total. Please note that WikiAnswers is not here to do your homework for you. If this question is from work you have been assigned by a teacher or professor, I suggest you do the work yourself instead, which will help to increase your understanding of the subject matter and help you to become more familiar with it.
How many 2 digit prime numbers are there whose unit digit is greater its tens digit?
Ten.
