9.81784090317
I added more just in case if a teacher needs the whole answer for some reason.
The answer is here written
Answer:
30% of the swimmers won a ribbion
and 70% didnt
Step-by-step explanation:
Take out the constants
(2 × 4)x^2xx^2y^3y^4z^2
Simplify 2 × 4 to 8
8x^2xx^2y^3y^4z^2
Use the Product Rule: x^ax^b = x^a + b
8x^2 + 1 + 2y^3 + 4z^2
Simplify 2 + 1 + 2 to 5
8x^5y^3 + 4z^2
Simplify 3 + 4 to 7
<u>8x^5y^7z^2</u>
A. 36 is the correct answer