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Only p&p Quickie (Posted on 2025-04-09) Difficulty: 3 of 5
Without any calculator or log tables, find the value of 511 - 6

No Solution Yet Submitted by K Sengupta    
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Some Thoughts a thought | Comment 1 of 4
5^11 = 10^11 / 2^11 = 10^11 / 2048
Work this out by long division then subtract 6.

  Posted by Larry on 2025-04-09 15:04:50
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