You have a wheel lock with four different wheels as follows: Wheel 1: 0-9 Wheel 2: A-J Wheel 3: K- T Wheel 4: 0-9 ) How many possible combinations are there? and What is the possibility that you guess The right combination? Is it likely or unlikely?

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this

if the probability is 1/12, 75 people will receive a $25 gift card

step-by-step explanation:

i would say true? if the unit was informational and it "refreshed your understanding", then true.