Sam used wire fencing to form a border around a circular region of his back yard where he wanted to plant grass. If the radius of the circular region was 4 yards, what was the total length of the border round to the nearest tenth of a yard

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

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

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?