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What is 14 minus negative 14 equal?
28
What one digit number is equal to 14 and 28?
There is no 1-digit number that is equal to 14 and 28.
What is 14 cubed minus 28?
14³ - 28 = 2716
What is 42 minus 28?
42 - 28 = 14
What does 54 minus 28 equal?
54 - 28 = 26
My sister is 14 years old. My brother says that his age minus twelve is equal to my sister's age. How old is my brother?
28
What is 14 lessthan equal to 28?
14 is less than 28 or 14 < 28
Is 14 lessthan equal to 28?
14 is less than 28 or 14 < 28
Does 14 plus 14 equal?
14 + 14 = 28
What is double 14?
To double the number 14 means to multiply it by 2. Therefore, double 14 is equal to 28. This can be calculated by simply adding 14 + 14, or by multiplying 14 by 2.
Why is 28 a perfect number?
A number is perfect if all it's factors (barring itself) sum to make the original number. In this case, the factors of 28 are 1,2,4,7 and 14. Added up, these equal 28. Thus, 28 is a perfect number.
How many protons neutrons and electrons does si-28 have?
A silicon-28 atom has 14 protons, 14 neutrons, and 14 electrons. The number of protons determines the element (silicon in this case), the sum of protons and neutrons gives the atomic mass of the isotope (28 in this case), and the number of electrons balances the charge to make the atom electrically neutral.
