Find the number of permutations of the first 10 letters of the alphabet, taking 3 letters at a time.

1040

980

720

630

720

Step-by-step explanation:

The permutation looks like this for that set of data:

and the formula to solve it like this:

which simplifies down to

Since every number less than 8 in the numerator cancels out with the denominator, we have

which equals 720

answer: ask

step-by-step explanation:

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.