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What is the missing number in the sequence shown below? 1 - 8 - 27 - ? - 125 - 216?
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What is the missing number in the sequence shown below? 1 - 8 - 27 - ? - 125 - 216?

User Peter Krauss
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The sequence in the question is the cube numbers; that is, numbers of the form n3n3, or n×n×nn×n×n. To find the fourth term, substitute x=4x=4, to get the answer

4^3=64
User Maximser
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