(ab)n=anbn......................................
Answer:
152.7 cm/s
Step-by-step explanation:
The radius of DVD, r = 6 cm
The angular speed of DVD, 
We need to find the linear speed of the DVD.
The relation between linear speed and angular speed is given by :

or
v = 152.7 cm/s
So, the linear speed of the DVD is 152.7 cm/s.
The correct answer is 0.2
Answer:
570 Mr.Monkay :D
Step-by-step explanation:
841 jumping jacks per 4 minutes

Divide both sides by 4.

Delilah can do 210.25 (or 210) jumping jacks per minute.