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MATH / Determine the units digit of 17¹³−17.

Problem

Answer published by the source. Consult the official source to check your work against its answer.

problem

Determine the units digit of 1713−1717^{13} - 17.
Plain-text mathematical notation (without MathML)
Determine the units digit of 17¹³−17.
Original LaTeX notation
Determine the units digit of $17^{13} - 17$.

level

Level 3

type

Number Theory

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Source and history

Official source

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