There are two correct answers: . . . positive 21 . . . negative 21
It is a negative number, because every pair of negative factors makes a positive, and you have 10 pairs plus one left over.
If 21 divides into M then all the factors of 21 must divide into M.The factors of 21 are 1, 3, 7, 21 (we usually avoid the factor 1 and the number)So, 3 and 7 must divide into M.
There is no number that goes into both. must be a trick questionthis is another person not the same one :)the number that goes into 12 and 21 is 3 which is a 5th grade problemwho ever said theres no number that goes into 12 and 21 is WRONG!
57 x 53 = 3021, so the smallest (whole) number is 21
Yes, it is.
(143 - 21)/2
It is an odd number. It is not prime. Its factors are 1, 3, 7 and 21. It is positive.
absolute value is any number turned positive...so even if 21 is already positive, the absolute value is 21, the absolute value of -21 is 21 btw.
There are two correct answers: . . . positive 21 . . . negative 21
21
18
Other than the number 1, there are no positive integer common factors of 10 and 21.
21 is a composite number because it has at least one positive factor other than one or itself.
The answer is 7. Explanation: x+2x=21 therefore 3x=21 so it must be 7
3 days, 21 hours, 44 minutes.
The product of two numbers is the two numbers multiplied together. When multiplying a positive number and a negative number, the answer is always negative. For example: 7*-3= -21