What is the simplest radical form of the expression? (x^3y^4)^2/3the 3 in the answer are small 3 on top of the square roots. a. x^2y^2 3√y^2b. xy^2 3√x^2c. x^4y^6√xd. x^4y^3√y2. a population of bacteria doubles every 15 hours. initially, the population of bacteria is 40. what is the population of the bacteria after 40 hours? round to the nearest whole number.3. what are the real and imaginary parts of the complex numbers? -7+8ienter your answers in the boxes. the real part: the imaginary part: i really need if anyone can me asap