Q2. A computer uses the numbers 1,2 or 3 at random to make three-digit numbers. Show on a tree diagram all the possible outcomes that the computer can print.
Calculate the probability of getting.
a. The number 131
b. An event numbers.
c. A multiple of 11.

Step-by-stefdfgp explanation:

step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.