Tom purchased a 40lb. bag of dog food. knowing that there are 16 ounces in a pound, how many ounces of dog food are in the bag?

(convert and solve)
(i am looking for the best answer)
(i am giving out 30)

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2