CUAL DE LAS SIGUENTES ES UNA POTENCIA VALIDA A (5 ELEVADO AL 2)ELEVADO AL 2 =20
B 9 ELEVADO A 2 =81
C 9 ELEVADO A 0=7
D 2 ELEVADO A 3 =6
PARA YA PORFA :/

Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same