Answer
n-th term:$\quad a_{n}=n^{2}+0.2$,
The next term is $\quad a_{5}=25.2$
Work Step by Step
We add 0.2 to each of the terms:
1, 4, 9, 16, ....$\qquad $(squares of natural numbers)
So, the nth term is $a_{n}=n^{2}+0.2$,
and the next term is $a_{5}=25+0.2=25.2$