math

posted by .

how often does a leap year occur?
what are al the prime numbers less then 12. what is the eighth multiple of 32? is the last digit of the multiples if 4 odd or even?
what are the six factors of 12?
what are the factors of 16.
two factors of 20 are 1 and 20. what are the four more factors of 20?
what are the factors of 11? what are the factors of 24?

• math -

Jojo -- Dumping all of your math homework on us makes you look as though you're trying to cheat.

Leap year occurs every four years.

• math -

Factors of 110 are 1, 2, 5, 10, 11, 22, 55, and 110.

Similar Questions

1. Math

Use the clues to figure out the six-digit decimal number. 1. It is greater than 3,000 and less than 3,200 2. All the digits are different 3. The digit in the undredths place isa multiple of 5. 4. The product of 5 and th digit in the …
2. Math Prime Numbers

Grade 7 question: I am a two-digit prime number I am one less than a multiple of 10 If you add 30 to me you get another prime number Who am I _________?
3. Math

A book called The Penguin Dictionary of Curious and Interesting Numbers by David Wells (1986) contains fascinating numbers and their properties. One of which is the only 3-digit numbers that are prime and all rearrangements of their …
4. math

if you have 3 rows and three columns and you have to find the hidden numbers. each number is less than 100,the sum of the digits of each number in column 2 is 10,the sum of the numbers in column 1 is 30,row 1 contains odd multiples …
5. math

I am a prime number. I am less than 40. I am 1 more than a multiple of 5. What number am I?
6. MA130

How many four-digit numbers abcd exist such that a is even, b is divisible by 5, c is prime, and d is odd?
7. MA112

How many four-digit numbers abcd exist such that a is even, b is divisible by 5, c is prime, and d is odd?
8. math

the hundred thousands digit of a six-digit even numbers is 3 more than the thousand digit,which is twice the ones digit.give at least four numbers that satisfy the given condition.
9. Math

On each of four cards, a different positive integer greater than 1 but less than 20 is written. Exactly 3 of the numbers are multiples of 3, exactly two of the numbers are multiples of 5, and none of the numbers is even. What is the …
10. Math

1. Set I contains six consecutive integers. Set J contains all integers that result from adding 3 to each of the integers in set I and also contains all integers that result from subtracting 3 from each of the integers in set I. How …

More Similar Questions