Danielle has the following averages in her math class: Homework Avg.: 80, Quiz Avg.: 84, Test Avg.: 74, Final Exam: 60. The teacher weights Homework at 10%, Quizzes at 30%, Tests at 40%, and the Final Exam at 20%. How many points did Danielle earn in the HOMEWORK category?

i am thinking c. sorry if im wrong .

step-by-step explanation:

since your problem is x^4 = 81, what you have to undeo is the "to the fourth power" part.

the inverse (opposite operation) of "to the fourth power" is "to the fourth root".

  (x^4) ^ ¼   = 81 ^ ¼  

  81 = 3^4     so (3 ^ 4) ^ ¼   =   3 ^ 1   = 3

by hand: (3 ^ 4) ^ ¼   =   3 ^ (4 x ¼) = 3 ^ 1   = 3   (when you take a power to a power, multiply the exponents.)

or, do it by calculator. one way of finding the fourth root is to use ^ (1/4)

step-by-step explanation:

360/29

step-by-step explanation: