Arnold K H Tan's answer to bubbletea's Secondary 4 E Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Just calculate as a simple ratio, just like you learn for map scales. You do have to, of course, memorise the powers for prefixes such as micro being 10^-6.
Date Posted:
6 years ago