2023 AMC 12A Problems/Problem 4: Difference between revisions
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~Steven Chen (Professor Chen Education Palace, www.professorchenedu.com) | ~Steven Chen (Professor Chen Education Palace, www.professorchenedu.com) | ||
==Video Solution ( | ==Video Solution (⚡ Under 2 min ⚡)== | ||
https://youtu.be/Xy8vyymlPBg | https://youtu.be/Xy8vyymlPBg | ||
Revision as of 21:02, 20 November 2023
- The following problem is from both the 2023 AMC 10A #5 and 2023 AMC 12A #4, so both problems redirect to this page.
Problem
How many digits are in the base-ten representation of 
?
Solution 1
Prime factorizing this gives us 
.
gives us 
digits and 
gives us 
digits. 
~zhenghua
Solution 2 (Bash)
Multiplying it out, we get that 
. Counting, we have the answer is 
~andliu766
Video Solution by Math-X (First understand the problem!!!)
https://youtu.be/cMgngeSmFCY?si=b1khjbMn1i5rApCe&t=903
Video Solution
~Steven Chen (Professor Chen Education Palace, www.professorchenedu.com)
Video Solution (⚡ Under 2 min ⚡)
~Education, the Study of Everything
See Also
| 2023 AMC 10A (Problems • Answer Key • Resources) | ||
| Preceded by Problem 4 |
Followed by Problem 6 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
| All AMC 10 Problems and Solutions | ||
| 2023 AMC 12A (Problems • Answer Key • Resources) | |
| Preceded by Problem 3 |
Followed by Problem 5 |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | |
| All AMC 12 Problems and Solutions | |
These problems are copyrighted © by the Mathematical Association of America, as part of the American Mathematics Competitions. Error creating thumbnail: File missing
