mathematics is what i'm in right now and i need help please

Question

Jeremy will roll a number cube, numbered  1−6, twice. What is the probability of rolling an even number, then the number 3?

Answer 1

(1/2)(1/6) = 1/12

Pr(even, then 3) = 1/12 = 8 1/3 %

Pr(even) = Pr(2,4 or 6) = 1/2

Pr(3) = 1/6

Pr(even then 3) = (1/2)(1/6) = 1/12 = 8.333...%