littleray2004 littleray2004

25-06-2019
Mathematics

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what is the fifth term in the geometric sequence described by this explicit formula y=40×(-2)^(n-1)

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wegnerkolmp2741o wegnerkolmp2741o

26-06-2019

Answer:

The fifth term is 620

Step-by-step explanation:

y=40×(-2)^(n-1)

The 5th terms means n=5

y = 40 * (-2) ^ (5-1)

= 40 * (-2) ^4

= 40 * (16)

= 640

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