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What else can I help you with?
How many positive prime numbers have a ones digit of 5?
Only one positive prime number has a 5 in the ones digit. That prime number is 5. All other numbers with a 5 in the ones digit are composite because they will be divisible by 5.
How many two digit numbers are there in which the tens digit is greater than the ones digit?
There are 45 of them.
How many positive two-digit integers is the ones digit greater than twice the tens digit?
4
How many different 4 digit numerals are there?
All of the whole numbers from 1,000 to 9,999. That's 9,000 positive ones. I guess you could also count the 9,000 negative ones.
How many numbers between 11 and 99 have 0 in their ones digit?
8 of them.
How many 5 digit numbers that end with 0 are there?
Assuming positive integers, and no leading zeros, the range of five digit numbers is 10000 to 99999. The ones that end in zero can be found by taking the four digit numbers: 1000 to 9999 and multiplying each by ten. {1000,1001, 1002, ...9999}, multiplied by ten is {10000,10010,10020,....99990}. There are 9000 of them.
How many two digit numbers are there in which the tens digit is greater then the ones digit?
The answer depends on what the tens digit is greater than, and what the ones digit does then.
How many page numbers have the digit 2 in the ones place and are divisible by 8?
13
What is the ones digit in even numbers can be?
The ones digit in even numbers can be any of the following: 0, 2, 4, 6, or 8. This is because even numbers are divisible by 2, meaning they can be expressed as 2 multiplied by another integer. The ones digit is the digit in the ones place of a number, which can range from 0 to 9.
How many integers between 2000 and 3999 have a ones digit that is a prime number?
There are 800 such numbers.
How many whole numbers between 1 and 100 use 6 digit at lest ones?
19 of them do.
What are two three digit numbers the tens digit is half the hundreds digit and the ones digit is half the tens digit?
421 and 842
