Win (Alvin)'s answer to Lucinda Li Luyun's Secondary 2 Maths question.

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Win (Alvin)
Win (alvin)'s answer
21 answers (Tutor Details)
1st
Decimal point moving behind will minus the power e.g 2.0 x 10^0 = 20.0 x 10^-1
Decimal point moving in front will add the power e.g. 2.0 x 10^0 = 0.2 x 10^1

Hope this helps! Good luck :)
Lucinda Li Luyun
Lucinda Li Luyun
7 years ago
Thank u!