The volume of a sphere is 4/3πr3, where π has the value of "pi". Write a function called print_volume (r) that takes an argument for the radius of the sphere, and prints the volume of the sphere. Call your print_volume function three times with different values for radius.

An excel which cell contains =b2 is copied to row below, the same column. what will be the new cell's content

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The “rule of 72” is used to approximate the time required for prices to double due to inflation. if the inflation rate is r%, then the rule of 72 estimates that prices will double in 72/r years. for instance, at an inflation rate of 6%, prices double in about 72/6 or 12 years. write a program to test the accuracy of this rule. for each interest rate from 1% to 20%, the program should display the rounded value of 72/r and the actual number of years required for prices to double at an r% inflation rate. (assume prices increase at the end of each year.)