Answer:
The answer is 3.
Step-by-step explanation:
I took the quiz.
A and B are the answers.
If you need proof, just ask in the comments, and I’ll get back to you.
I hope this helps!
The correct answer is Choice A.
This is an example of an exponential equation, so we need the formula

.
The a value is the starting value of 100. The b value must be a decimal lower than 1 because it is decreases.
If you substitute in 8 for x, you will see that the output is about 50 (half of 100).
Digit 1:1,3,5,7, or 9.
Digit 2: 0,1,2,3,4,5,6,7,8 or 9.
4*10= 40 possible codes.
Answer:
It is b
Step-by-step explanation: