Answer:
A. 8.737
Step-by-step explanation:
I calculated it logically
Answer:
1. D
2. A
Step-by-step explanation:
Q1. Kerry is simplifying 
By the definition of negative powers,

Hence,

So, the first step in simplifying the expression is

Q2. Given the expression

First, use the definition of negative powers:

Thus,

Answer:
Step-by-step explanation:
70% all you have to do is divide 355/550like that and times the answer by 100
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