Find the missing length indicated

I WILL GIVE BRAINLIEST TO CORRECT ANSWER

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01

What numbers are included in the set of integers? what numbers are not included?