Posted by Katie on Tuesday, February 15, 2011 at 5:25pm.
Can the numbers be repeated? If not, this is combination of arranging r items out of n items:
nCr = n!/r!(n-r)!
n = 10, r = 8
5! = 5 factorial = 5 * 4 * 3 * 2 * 1 = 120
dfshfdsnhvdskvnh
the johnsons has ben verry bussy and havet done laundry in several weeks the dirty cloth pile hase 540 cloths they figur they can put 27 pices of clothing in a singal load. how many loads of laundry will the johnsens family to do to wash all the itams of clothing
54
Related Questions
math - the binary system is used for computer programming. a binary number ...
5th grade math - What is the greatest number of times you would regruop when ...
5th grade - The number has 7 digits It is evenly divisible by 100 The value of ...
5th Grade Math - Not only need answer but need to know how you teach a 5th ...
5th Grade Math - Not only need answer but need to know how you teach a 5th ...
math - How many different four-digit number combinations are possible from the ...
5th grade math - i am a number greater than 40,000 and less than 60,000 my ones ...
singapore math - My 3rd grade son get this math problem. It states that John ...
4th grade math - I'm a 4 digit number with no 2 digits the same. My ones ...
math - use the clues to find the 7th digit mystery number. * Its is between 1 ...
For Further Reading
