The binomial expansion:

a = 2y, b = 4 x^3, n = 4
( x )^3k = x^ 9
k = 3


Answer: the coefficient is
512.
Answer: 9.9 Original answer is 10.5
Step-by-step explanation:
Answer:
all real numbers greater than or equal to 0
Step-by-step explanation:
Answer:
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Step-by-step explanation: