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2015 AMC 10B Problem 10

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2015 AMC 10B Problem 10AMC 10 Step by Step
Name:                             Date: September 13, 2026
Modular Arithmetic · difficulty 2 of 5 · about 2 min · position P1-10

What is the sign and units digit of the product of all the odd negative integers strictly greater than −2015-2015 ?

  1. A)

    It is a negative number ending with a 1.\text{It is a negative number ending with a 1.}

  2. B)

    It is a positive number ending with a 1.\text{It is a positive number ending with a 1.}

  3. C)

    It is a negative number ending with a 5.\text{It is a negative number ending with a 5.}

  4. D)

    It is a positive number ending with a 5.\text{It is a positive number ending with a 5.}

  5. E)

    It is a negative number ending with a 0.\text{It is a negative number ending with a 0.}

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