All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

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

*** Calculators NOT allowed.

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

Comments: ( Back to comment list | You must be logged in to post comments.)
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
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (13)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2024 by Animus Pactum Consulting. All rights reserved. Privacy Information