B/120=3/2 multiply both sides by 120
b=360/3
b=$120.00
I would call it 17,066.67
Answer:
(a) 0.0001 or 0.01%
(b) 0.01 or 1%
Step-by-step explanation:
Since there are 10 possible numeric digits (from 0 to 9), and there is only one correct digit, there is a 1 in 10 change of getting each digit right.
The probability that if you forget your PIN, then you can guess the correct sequence
(a) at random:

(b) when you recall the first two digits.

3.14
This is typically what you would use but there are several other numbers after 3.14