Answer:
C is the answer because i had that question
Step-by-step explanation:
C is the answer becausei had that question
You want to multiply together the number of possible choices for each digit in the code.
0-9 is ten possible numbers, since repetitions are allowed (example code 2,2,2,2) there are ten possible choices per digit in the code.
10*10*10*10 = 10,000 four digit coded possible
Answer:
D hope this helps
Step-by-step explanation:
The answer would be 25t^2 + 40t + 16
