Total 23 cupcakes is the answer .
Answer:
405.
Step-by-step explanation:
This is a geometric sequence where the nth term = a1 r^(n -1).
Here a1 = 5 and r = 3 so
the fifth term a5 = 5(3)^(5-1)
= 5 * 81
= 405.
12cm³
1/2x2x6x2=12cm³
