If there are 60 books in the college library. in how many ways will these books be arranged on the shelves if 3 of the books are taken at a time with order of arrangement of the books considered

205,320

Step-by-step explanation:

If order matters this is a permutation problem (as opposed to a combination problem).  The permutation of this situation is

₆₀P₃ = and is solved:

The 57 factorials cancel out, leaving us with 60*59*58 which comes to 205,320 different ways to pick 3 books if order matters.

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

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step-by-step explanation: