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secondary 3 | E Maths
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tiffany
Tiffany

secondary 3 chevron_right E Maths chevron_right Singapore

hi i need help

Date Posted: 3 years ago
Views: 198

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Matthew Soon
Matthew Soon's answer
94 answers (Tutor Details)
1st
Need to memorize the power scale for such questions:

10^x, where x can be the following...

nano = -9
micro = -6
milli = -3
centi = -2
kilo = 3
mega = 6
giga = 9

When doing any operations (add/subtract/multiply/divide), always ensure the units of your expressions are all the same power :)