Question

If anyone could answer this for me I would very much appreciate it

Answer 1

a3 = 45

Explanation:

a1 = 20

an = a(n-1) *3/2 where n is the term number

a2 = a(2-1) *3/2

a1 *3/2

We know a1 = 20

a2 = 20*3/2 = 30

a3 = a(3-1) *3/2

= a2 *3/2

We know a2 = 30

= 30*3/2 = 45