Question

Determinati toate valorile naturalellm ,, n" ex->10 <2^n<2011 b)Determinati toate valorile nat. ale lui ,n" ,pt care 10 <5^n <2011 ..
Coronita si 10 puncte !!! Repede!!!!!

Answer 1

a) 10<2^n<2011
2^n ∈ {16,32,64,128,256,512,1024}
n∈{4,5,6,7,8,9,10}

b) 5^n∈{25,125,625}
n∈{2,3,4}