2000 AMC 8 Problems/Problem 9
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Problem
Three-digit powers of and
are used in this cross-number puzzle. What is the only possible digit for the outlined square?
\[\begin{tabular}{lcl} \textbf{ACROSS} & & \textbf{DOWN} \\ \textbf{2}. 2^m & & \textbf{1}. 5^n \end{tabular}\] (Error compiling LaTeX. Unknown error_msg)
Solution
The -digit powers of
are
and
, so space
is filled with a
.
The only
-digit power of
beginning with
is
, so the outlined block is filled with
a
.
See Also
2000 AMC 8 (Problems • Answer Key • Resources) | ||
Preceded by Problem 8 |
Followed by Problem 10 | |
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