Assuming your original expression was 3√(27x¹⁸), the answer is 9x⁹√(3).
We split up the radicand into perfect squares. Once we do, we take out the things that were squared:
Answer:
First find if A B and C are either obtuse, right, or acute angles.
Second make sure too know how high or wide the angle is.
And lastly add it all up.
Answer:
Please explain more.
Step-by-step explanation:
Answer: 
Step-by-step explanation:
You need to remember the mulplication of signs:
Knowing this, you can distributive the negative sign. Then you get:
Now you need to add the like terms. Then:
Finally, you can order the polynomial obtained in descending order. Therefore, the answer is:
Answer:
20
Explanation:
To know how many students will be in the country spelling bee, we need to find 5% of 400.
So, we need to multiply 400 by 5 and then divide by 100:
Therefore, there will be 20 students in the country spelling bee.
