document.write( "Question 1175816: If only the digits 0, 1, 3, 4, 5, 6, and 7 may be used, find the number of possible three-digit numbers that can be formed.
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Algebra.Com's Answer #801509 by Alan3354(69443)\"\" \"About 
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7*7*7 = 343
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\n" ); document.write( "000 is a valid number unless specified otherwise.
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