Question

find the 10 and 100 term for following expression 7n +20

Answer 1

For 10th term,
7n+20
=7*10+20
=90

for 100th term
7n+20
=7*100+20
=720

Answer 2

that is so sinmple
on put the 10And100 to n
ie,
7×10+20=70+20=90
and
7×100+20=700+20=720
so,
the 10th term=90
and
the 100th term=720