What is the value of n^-4 w^0 for n=-2 and w=5?

Ineed with number 17 i don’t get it at alll

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.