For this you will have to make a tree diagram
it will be so much easier although there is a way to do it
probability of getting heads is = 1/2 there for 10 tosses its (1/20)^10
9 then 8. You add 4 to each number then subtract 1. 5+4=9 9-1=8
1. Commutative property of multiplication
IM SO SORRY IF IM WRONG