Which expression is equivalent to (bn)m?
A. bn-m
B. bn*m
C. bn/m
D. bn+m

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree