Answer:
a₁₂ = - 4194304
Step-by-step explanation:
the nth term of a geometric sequence is
= a₁
where a₁ is the first term and r the common ratio
here a₁ = 1 and r = = - 4 , then
a₁₂ = 1 × = - 4194304
Which of these expressions shows the number of ways to arrange 3 marbles from a group of 5?
1 answer:
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