Question 140299
start by extracting the highest power of the base and then work your way down to zero power


50=32+16+2 __ in binary __ 1(2^5)+1(2^4)+0(2^3)+0(2^2)+1(2^1)+0(2^0) __ 110010


50=27+18+3+2 __ in trinary __ 1(3^3)+2(3^2)+1(3^1)+2(3^0) __ 1212


50=48+2 __ in base4 __ 3(4^2)+0(4^1)+2(4^0) __ 302