Tolong bantu di jawab serta langkahnya kk^_^

1. 2^(2+3+4+5) : 2^(7+6)
= 2^(14) : 2^(13) = 2
2. 2x3a^10/3 : 6a^4/3
= a^6/3 = a^2
Nb : tanda "^" artinya pangkat