Write the exponential form :-
a×a×a×a.......10times
The exponential form of a×a×a×a.......10times=a10
Hence we can write , a×a×a×a.......10times=a10
Group the like terms: a2,a÷3, 2a÷4a, 3a,a3, a÷2, 2a+a, a×a×a, 13a, a3.