3 fifths÷7 eighths please help

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

At 6 1/2 cents per pound of string beans how much does 7 pounds cost