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What sets of numbers does 9 belong to?
The set consisting of only -9 ie {-9}, the set consisting of -9 and 5 = {-9,5}, the set consisting of -9 and 3 and sqrt(17) = {-9,3,sqrt(17)}, and so on.
What is the Median of the set of all the whole numbers starting from 1 and ending with 9?
The median of the set of all the whole numbers starting from 1 and ending with 9 is 5. The numbers are 1,2,3,4,5,6,7,8,9 and the median (middle number) is the number 5.
What number can be divided by 3 5 7 9?
The number 945 is divisible by 3,7,5 and 9. An easy way to determine what number is divisible by a set of numbers is to multiply all the numbers in the set.3*9*7*5=945 The LCM is 315.
What is the number that does not belong to 2 3 5 7 9 11 and 13?
It could be 2 because the rest are odd number It could be 9 because the rest are prime numbers
Which number does not belong to the following sequence of numbers 9 25 49 81 121 and 169 giving a reason why?
It is 81 because the rest of them are prime numbers squared and 9 is not a prime number because it has more than two factors.
