3 years ago

Can anyone pls help me

Mathematics

2 answers:

pantera1 [17]3 years ago

8 0

Answer:

64 times -2

Step-by-step explanation:

Eva8 [605]3 years ago

8 0

Answer:

Step-by-step explanation:

an = a1 * (-2)^(n - 1)

a1 = 4

a2 = 4 * (-2)^1

a2 = 4 * -2

a2 = - 8

a3 = 4 * (-2)^(n - 1)

a3 = 4 * (-2)^2

a3 = 4 * 4

a3 = 16

an = 4 * (-2)^(n - 1)

an = 4 * (-2)^-1 * (-2)^n

an = 4/(-2) (-2)^n

an = -2 * (-2)^n

Now this is how you know. You know that a4 = - 32. So try your modified formula

a4 = - 2 * (-2)^4

a4 = -2 * 16

a4 = - 32

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