Answer:
yes
Step-by-step explanation:
Answer:
180 minutes.
Step-by-step explanation:
Because for 6-lb is 120 minutes so 3-lb can be 60 minutes so 6+3=9 120=60=180 minutes
Answer: The correct option is (C) 
Step-by-step explanation: We are given to choose the correct simplification for the following expression :

We will be using the following property of exponents :

So, the simplification of expression (i) is as follows :

Thus, the correct simplification of the given expression is 
Option (C) is CORRECT.