Question

Doar problema 17 va rog! Am nevoie pana la 14 de ea

Answer 1

.....................

Answer 2

E={n∈N* | 2ⁿ<9²}

2ⁿ<9²

2ⁿ<81

n∈{1,2,3,4,5,6}

E={1,2,3,4,5,6}

card E=6

B.