Hello pls help me with these qns step by step in detail I’m really weak at sol

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secondary 4 | E Maths
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secondary 4 E Maths Singapore

Hello pls help me with these qns step by step in detail I’m really weak at solving this kind of standard form conversion qns so pls try to make it as beginner friendly as possible thank u so so much!!!!:)

Date Posted: 3 years ago

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Date Posted: 3 years ago

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3 years ago

Thanks but isn’t qn b answer 1:50000? How come it’s written 1:2? May I also know why the equation is divided? For the 1: n part

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