It works because 7 x 9 x 10 is the same thing as 7 x 90, since 9 x 10 is just 90. So basically he is just writing more but the answer will still be the same.
Answer:
The anwser is D 0.8
Step-by-step explanation:
Ahiffggggggggggggt was the morning I was going over the
Answer:
Option C - Simplify the right side using the "difference of two logs is the log of the quotient" property.
Step-by-step explanation:
Given : Expression 
To find : What is the first step in solving the expression ?
Solution :
Expression 
Step 1 - Simplify the right side using the "difference of two logs is the log of the quotient" property.
i.e. 
Apply the first step we get,

Therefore, Option C is correct.
Graph A, I just graph it trust me