2(3m^5)?=?m^10 missing exponent and coefficent ?? pls help

Pls i’m too dumb to know what i’m doing right now

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.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.