Answer:
B. 10/91
Step-by-step explanation:
Total passwords:
16C4 × 4!
43680
Passwords with exactly one digit:
6C3 × 10C1 × 4!
4800
Probability
4800/43680
10/91
Answer:
the answer is C
Step-by-step explanation:
11/20
Divide 11 by 20 to find the decimal value.
11/20 = 0.55
The decimal only contains two numbers, so it is a terminating fraction.
I typed right on the problem set.