Step-by-step explanation:
The following sequence is in AP
Suppose the first term is denoted by"a" and the common difference by"d"
a=3
d=4.5-3= 1.5
the nth term = a + (n-1)d
= 3+(n-1)1.5
=3+1.5n -1.5
=1.5+1.5n
Answer:
108
HOPE IT HELPS
THANK YOU