Visual Basic Please, Thank you for your time and effort

Write a function integerPower(base, exponent) that returns the value of base exponent For example, integerPower( 3, 4)-3*3 3 3. Assume that exponent is a positive, nonzero integer and that base is an integer. The function integerPower should use for or while to control the calculation. Do not use VB built-in functions. Write a program that calls the function in previousl part to calculate and display the value of 1+2+4+8+...+210. Do not use VB built-in functions