Question

daca (2×25)^17=2^17×5^x,determinati valoarea lui a

Answer 1

(2•25)^17=2^17•5^a 50^17=289•5^a 7,62939453125e28=289•5^a 5^a=7,62939453125e28:289 5^a=2,639928903547e26 a=2,639928903547e26:5 a=57