It is: 1
28
2 goes evenly into 4 and 28
2 goes into 4. 3 goes into 6 or 9. 5 goes into 10, 15, 20, 25, 30. 7 goes into 14, 21, 28.
(28 + 76)/13 = 104/13 = 8
The simplest form of the fraction 13/28 is 13/28. This number cannot simplified any further.
28 goes into 389 13 times.
2
One.
168 is the LCM of 14, 24, and 28. It is the smallest number that they all divide into equally.
The number is 28 13/100
The highest common factor of both number is 28
The element with a mass number of 28 and 13 protons is aluminum (symbol Al). It has 13 protons, as indicated by its atomic number, and a mass number of 28, which is the sum of its protons and neutrons in the nucleus.