Question

1) Comparati puterile
25 la put.14 si 3 la put.42
2) comparati puterile
81 la put.10 si 27 la put.14
3) comparati urmatoarele nr nat
3 la put.10 si 2 la put.15

Answer 1

1) 25^14 si (3^3)^14
25^14<27^14

2) (3^4)^10 si (3^3)^14
3^40<3^42

3) (3^2)^5 si (2^3)^5
9^5>8^5