Simplify:
(a/b)xy+xy-(5/2)xy
and
(8^3x+1)/(2^x)

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.

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8