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13 votes
13 votes
Evaluate:
10
Σ¹0 4(1)n-1 = [?]
Round to the nearest hundredth.
Enter

Evaluate: 10 Σ¹0 4(1)n-1 = [?] Round to the nearest hundredth. Enter-example-1
User Bindal
by
2.9k points

1 Answer

26 votes
26 votes

Answer:

Explanation:

we are essentially calculating:

4(1/4)^0 + 4(1/4)^1 + 4(1/4)^2 + ... + 4(1/4)^9

Formula:
(a(1-r^n))/(1-r)

4(1-(1/4)^10)/ (1-1/4) approximates to 5.33

User Jim Reineri
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3.3k points