Use log, not calculator

This was adapted and modified from a controversial Gaokao (高考) question in China, in 2017. Original question: https://kknews.cc/education/29yj84r.html

Support me on Odyssey/ LBRY: Channel: https://www.youtube.com/channel/UCn4GdIRVGN3QMziXf_wZIFg This Video: https://youtu.be/NYnfEvbYGZ8

Suggested reading:

1. How Many Atoms Are There in the Universe? https://www.universetoday.com/36302/atoms-in-the-universe/#:~:text=At%20this%20level%2C%20it%20is,hundred%20thousand%20quadrillion%20vigintillion%20atoms.

2. How the Computer Beat the Go (Weiqi) Master https://www.scientificamerican.com/article/how-the-computer-beat-the-go-master/#:~:text=But%20go's%20complexity%20is%20bigger,or%2010360%20possible%20moves.

3. How to Compare Numbers by Using Exponents https://www.dummies.com/education/math/algebra/how-to-compare-numbers-by-using-exponents/#:~:text=To%20discover%20the%20real%20value,exponent%20is%20the%20larger%20number.&text=Write%20them%20as%20numbers%20between,times%20a%20power%20of%20ten.

Timestamp:

0:00 Introduction 1:27 Lost trust in calculator 3:27 Revision on Logarithms 4:27 Quick Proof of Logarithm Rules 8:52 Compare using log 10:47 Compute lg(3) by hand 14:20 Final answer 15:38 General conclusion

Let's do math for fun!