Answer:
B
Step-by-step explanation:
Answer:
I think 2600 passwords are possible
Answer:
I think it is D
Step-by-step explanation:
Answer:
A and E
Step-by-step explanation:
9^3 / 9^3
Same number on top and bottom so 1 is an answer
look at the exponents, when dividing with exponents, you just subtract them, so it could also be 9^0, which is also 1
