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What does eight and twothirds times twelve equal?
82/3 x 12 = 26/3 x 12 = 26 x 4 = 104
Can you explain why the prime factorization of 42 is 21 2?
In actual fact, the prime factorization of 42 is not 21 x 2, as 21 is not a prime number. The complete prime factorization of 42 is 2 x 3 x 7.
Explain why 21 is not a prime number?
21 has factors other than 1 and itself, so it is not a prime number. For example, it is divisible by 3. (You can check this by adding the digits of the number: 2 + 1 = 3. If the sum of the digits is divisible by 3, the number is also divisible by 3.) Therefore, 21 is a composite number.
Can you explain the prime of factorization of672?
Divide 672 by 2 five times until you get to 21. 672 336,2 168,2,2 84,2,2,2 42,2,2,2,2 21,2,2,2,2,2 7,3,2,2,2,2,2
What is the average of 4 7 and 10?
7 Explain: Add 4+7+10 this equals 21 Divide 21 by the 3 amounts used to reach this number. 21 divided by 3 equals 7 therefore the average is 7 this works for averaging any numbers average of 6 12 8 14 = 40 40 divided by 4 = 10 the average is 10
