Question

Determinati suma cifrelor numerelor 5 la puterea20 *2 la puterea 28.Multumesc!

Answer 1

5^20*2^28=5^20*2^20*2^8=(5*2)^20*256=10^20*256=10...0*(20   de   0)*256=2560...0(20 de   0)

suma   cifrelor   este2+5+6=13