50 ptsIs there a special way to solve a question like this (without calculator)
1.8^9

If not don't answer if yes please explain!!!
Don't write 1.8 x 1.8 x 1.8 x 1.8 x 1.8 x 1.8 x 1.8 x 1.8 x 1.8
because it's dumb I already know that!!!

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.

Why do interests rates on loans to be lower in a weak economy than in a strong one

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?