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.
16/20 = 0.8
Each bag will have to weight 0.8 lbs
Answer:
The base would be the same since it's the same number. (Base is 7).
You would then subtract 10 by 3 and you would get 7. Answer is 7 to the power of 2.
Hope this helps (:
21 to 3.5
goals to minutes
Answer: 2/5
Step-by-step explanation:
xy^2
--------
5
If x = 2 and y = 1
x * y^2 2 × 1^2
----------- -----------
5 5
2
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5