Answer:
i don't know that on I not sure what the answer
Simple....
so you have:

There's the law where if the number outside your parentheses is negative along with the number in the parentheses; it converts into positive...
-->>x-(-x)
--->>x+(+x)
This being said.....

-->>

-->>>

But remember, you want to simplify it....

(Decimal form..1.25)
Thus, your answer.
Answer:
18.75 ( Maybe , I am not sure )
Step-by-step explanation:
The second one:
3^7 x 3^(86/10) x 3^(9/1000)
That is because when you multiply powers with the same base ( in this case they are all 3), you just leave the base as it is and add the exponents
so it is basically 3^(7 + 86/100 + 9/1000) which is 3^7.869
Answer:
The answer to your question is: the third option is correct 6√5 / 5
Step-by-step explanation:
6 / √5
6 x √5 = 6√5
√5 x √5 5
or 6√5 / 5