Cereal A is a better option...Need an explanation?
Answer:
9/10 or 0.45 in decimal form
Step-by-step explanation:
The x² term will be C(5,2)x²·2³ = 80x².
The coefficient is 80.
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C(n, k) = n!/(k!·(n-k)!)
C(5, 2) = 5·4/(2·1) = 10
Answer:
64
Step-by-step explanation: