What power of ten has the same number of zeros as the square of the number of digits in 100?
Category: Math · Difficulty: hard
Hint: Count digits and consider their squares.
Answer
10000
Explanation
100 has three digits. The square of 3 is 9, so 10^4 equals 10000, which has four zeros.
This is a hard math riddle — a tricky one that takes a little thought. The answer is 10000.
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