Question

If a fair coin is tossed 9 ​times, in how many different ways can the sequence of heads and tails​ appear

Answer 1

10 different sequences
all tails, 1 head 8 tails,2 heads 7 tails,3 heads 6 tails,4 heads 5 tails,5 heads 4 tails,6 heads 3 tails,7 heads 2 tails,8 heads 1 tail and All heads.