Answer: last option.
Step-by-step explanation:
According to the Product of powers property, you have:

As you can see, when you can add the exponents when you have powers with equal base.
Then,
and
do not have the same base, therefore, the exponents can't be added.
Therefore, Eli is incorrect, because he added the exponents even though the bases are not the same.
The first one can be written as a fraction because it is a repeating decimal.
The second one can be written as a fraction because it is a repeating decimal.
The third one can not be written as a fraction since it is nether terminating nor repeating.
The last one can be written as a fraction since it is a terminating decimal.
PEMDAS!
1. 7-14=-7
2. -1*-7 = 7-5=2
3. 18-2-9 = 7
Answer:
G=m/r-h^2
Step-by-step explanation:
move all the terms to the left side and set equal to zero. Then set each factor equal to zero. Hope this helps!
Hey what is Apr? So I can help you with this; )