Answer:
Umm infinite, pi is a irrational number, it is ever ending
Step-by-step explanation:
I only know liek 60 digits :P
3.14159265358979323846264338327950288419716939937510
Somthing like that
To find the total number of combinations possible, multiply each choice by each other:
2 x 3 x 2 x 9 x 2 = 216 different cars
A9th = -1* 5^(n-1)
a9th = -1*5^(9-1)
a9th = -1*5^(8)
a9th = -390625
Hope this helps!