a) FALSE (would be TRUE if it said LN(56)-LN(7)=LN(8))
b) TRUE (because LN(x+y)-LN(x+y)=LN[(x+y)/(x+y)]=LN(1)=0)
1) Solving
we get 
2) Solving
we get 
3) Solving
we get 
Step-by-step explanation:
We need to solve the following expressions:
1) 
We will solve this expression by factoring common terms:

Factoring 4 from 4a+4b and -c from -ac-bc

Taking common term

2) 
We will solve this expression by factoring common terms:

Taking 8 as common term:

3) 
We can solve the expression by breaking the middle term into 2

Keywords: Finding factors
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Answer:
1.954
so 4 is in the thousandths
Step-by-step explanation:
Answer:
16
Step-by-step explanation: