To multiply a number by 0.01 move the decimal point how many places and in what direction?

Pls , the question is in the picture!

In the 30-60-90 triangle below side s has a length of and side r has a length

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3