a) In how many ways can the letters in REVENUE be rearranged to form distinct "words"?
b) From the arrangements in part (a), how many have all three E’s together?
c) From the arrangements in part (a), how many have no consecutive E’s?
For (a) I got $840$ and for (b) I got $120$. Are these answers correct? I'm not sure how to do (c).