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MATH / Let F be the first digit and L be the last digit of the expanded integer form of 2007³. What is the value of F+L?

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problem

Let FF be the first digit and LL be the last digit of the expanded integer form of 200732007^3. What is the value of F+LF + L?
Plain-text mathematical notation (without MathML)
Let F be the first digit and L be the last digit of the expanded integer form of 2007³. What is the value of F+L?
Original LaTeX notation
Let $F$ be the first digit and $L$ be the last digit of the expanded integer form of $2007^3$. What is the value of $F + L$?

level

Level 2

type

Counting & Probability

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Official source

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