pandacoco678p16cll pandacoco678p16cll

17-06-2020
Mathematics

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please read the photo above first :))
a) 40
b) 160
c) 240
d) 320

please read the photo above first a 40b 160 c 240d 320 class=

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17-06-2020

Answer: A

Step-by-step explanation:

This problem, may seem abit tricky, but this sequence is all about plugging in.

Since c₁=5, we can solve for c₂ and c₃.

c₂=c₁·2ⁿ⁻¹

c₂=5·2¹

c₂=10

Now that we have c₂, we can find c₃.

c₃=c₂·2ⁿ⁻¹

c₃=10·2²

c₃=40

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