Answer: 0.001
Step-by-step explanation:
Given
The lock has 3 dials, each with the number 0 through 9.
The first place can be filled in 10 ways and the probability of selecting number '4' out of the 10 is
Similarly for selecting '3' and '9' is also 
Therefore the probability of getting a combination of 4-3-9 is

Answer:
4-2= 2
Step-by-step explanation:
See image below:)
5 .... Hope it helps, have a good rest of the day:)
It is 24 because 5t=5xt and t is 2 then 2m= 2xm m=7 so 24