Answer:
<h2>
4.5</h2>
Step-by-step explanation:


Move constant to R.H.S and change its sign

Subtract the numbers

Divide both sides of the equation by 2

Calculate

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Answer:
2. 10
3. D. 1 for all n
Step-by-step explanation:
2. The applicable rules of exponents are ...
(a^b)(a^c) = a^(b+c)
a^b = 1/a^-b
__

The value of n is 10.
__
3. Using the above rules of exponents, the expression simplifies to ...
6^(-n+n) = 6^0 = 1
The value is 1 for any n.
Answer:

Step-by-step explanation:

Answer:
Step-by-step explanation:
hello :
hello :
1) divid by 3 : 27:9= 9/3
2) 9/3 = 3/1