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

Home > Numbers
Go left of the number (Posted on 2020-11-15) Difficulty: 2 of 5
Find the leftmost digit of 1237 (pencil and paper solution required)

No Solution Yet Submitted by Danish Ahmed Khan    
Rating: 3.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Hints/Tips an idea (with spoiler--solution) | Comment 1 of 4
A table of logarithms is made of paper.

Spaces left to hide spoiler

































The common log of 12 is 1.07918

Multiply that by 37 to get 39.92966

The antilog of the mantissa is 8.50 and the first digit is 8.

Verify with calculator:

8.5056224998211 x 10^39

  Posted by Charlie on 2020-11-15 11:49:18
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 (4)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2021 by Animus Pactum Consulting. All rights reserved. Privacy Information