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2009 AMC 10B Problem 21

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2009 AMC 10B Problem 21AMC 10 Step by Step
Name:                             Date: September 13, 2026
Modular Arithmetic · difficulty 3 of 5 · about 3 min · position P21-25

What is the remainder when 30+31+32+⋯+320093^0 + 3^1 + 3^2 + \cdots + 3^{2009} is divided by 8?

  1. A)

    00

  2. B)

    11

  3. C)

    22

  4. D)

    44

  5. E)

    66

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