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secondary 4 | E Maths
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secondary 4 chevron_right E Maths chevron_right Singapore

please help me with this question thank youu!

Date Posted: 8 months ago
Views: 39

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Arnold K H Tan
Arnold K H Tan's answer
840 answers (A Helpful Person)
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.