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28 votes
28 votes
Evaluate using mental mathLog7 343

User Selvakumar Esra
by
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1 Answer

20 votes
20 votes

So we want to evaluate:

Remember that we can re-write 343 as:

So,

So the answer is 3.

Evaluate using mental mathLog7 343-example-1
Evaluate using mental mathLog7 343-example-2
Evaluate using mental mathLog7 343-example-3
User AMunim
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