Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Ask ManyTutors

Question

secondary 4 | E Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

bubbletea
Bubbletea

secondary 4 chevron_right E Maths chevron_right Singapore

please help me with this question thank youu!

Date Posted: 6 years ago
Views: 344

See 1 Answer

Ask ManyTutors
done 1 Upvotes
clear 0 Downvotes
Arnold K H Tan
Arnold K H Tan's answer
2178 answers (A Helpful Person)
1st
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.