How to round the number 450.913 to the nearest tenth

Can someone check my answer? you : )

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

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a