Four swimmers are chosen to swim in a relay race. How many orders of the 4 swimmers are
possible for the relay race

64

Step-by-step explanation:

You take the amount of swimmers, which is 4, and then you put it to an exponent of 4 since there are four people in a line, thus giving you the answer of 64 possibilities.

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong