Answer:
z>-9
Step-by-step explanation:
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:
4
Step-by-step explanation:
Since the highest power of x is 4 in this case.
simplifying
we get 
Step-by-step explanation:
We need to simplify: 
Solving:
Applying the rule:
log a + log b = log(ab)

So, simplifying
we get 
Keywords: Simplifying Logarithms
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Answer:
100.062
Step-by-step explanation:
100 + 62/1000 = 100 + 0.062 = 100.062