Which expression shows the prime factorization of 40?

a)2 × 2 × 5

b)2 × 2 × 2 × 5

c)2 × 5 × 5

d)2 × 5 × 5 × 5

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.