Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

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.

Hundred and tens tables to make 430 in five different ways

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.