Answer:
12.57
Step-by-step explanation:
The formula to solve the circumference of a circle is:
2 x PI x R (radius)
=> 2 x PI x 2
=> 4 PI or 12.57
Answer:
320
Step-by-step explanation:
4*80=320
Hey there! I was looking at your question for a bit then realized you meant
, the imaginary number, not "1" at the end of each number.
- Complex numbers are numbers involving both real and imaginary numbers; thus, this question wouldn't make much sense without the imaginary number

The expression we are given is:

Open parenthesis and combine like terms:


This is answer choice B (assuming it's supposed to be an
and not a "1" at the end)
Let me know if you need any clarifications, thanks!
~ Padoru
No because the sum could also be irrational number which for example it could be square root of 9 or 49
Hope this helps answer your question
For the answer to the question above, I believe the answer is simply <u><em>8.
</em></u>
2 groups divided into four participants. So all in all people needed is 8.
I hope this helped you. Have a nice day!
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