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Which is Greater? (Posted on 2023-11-24) Difficulty: 3 of 5
Which is greater: √2√7 or √3√3?

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See The Solution Submitted by K Sengupta    
Rating: 4.0000 (1 votes)

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Solution possible solution Comment 1 of 1
Square both sides 
2√7 or 3√3

Take the base-10 logarithm of both sides. 
√7log2 or √3log3 

Then use (well?) known estimates rounding up on the left and down on the right
2.7*0.302 or 1.732*0.477
0.8154 or 0.8262

√2√7 < √3√3


  Posted by Jer on 2023-11-24 15:21:14
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