Similarities: same atomic number
Differences: they have a different number of neutrons
Mathematics is very important in a small business is because when you make money transactions with other people you need to know how to count money correctly and your calculations can’t be wrong. Mathematics is definitely helpful to me because Artificial Intelligence is taking on jobs, so we have to step up our game.
Simplified answer would be 60k^2+k
and you get that answer by combining like terms, Good Luck!