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505-555

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What is the remainder when 3^45 is divided by 10?

Answer Choices

Correct answer marked below

A

1

3

Correct

C

6

D

7

E

9

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Explanation

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Official Explanation

Official

To find the remainder of

\frac{3^{45}}{10}

, we can express it as

\frac{3^{4*11+1}}{10}

. First, we calculate

\frac{3^{4}}{10}

, which gives a remainder of

1

.…

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2

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A

ANUBHAOct 3, 2024

Great

J

JahnviMay 21, 2024

Thankss

What is the remainder when 3^45 is divided by 10?

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