answer in C++

Write a program that reads a number from the keyboard, calculates the seventh root of that number, stores the seventh root in the variable root7 declare variables root7 and number with the proper datatype) and displays the value of root on the screen in a field of 9 spaces, in faced point notation, with a precision of 2 decimal places. Example output below if the user enters the number 128: Enter a number: 128 The seventh root of the number 128 is 2:00 Press any key to continue