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Secondary 1 | Maths
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Eris Tan KQ
Eris Tan KQ

Secondary 1 chevron_right Maths chevron_right Singapore

Can someone help?

Date Posted: 5 years ago
Views: 267
J
J
5 years ago
5450 ≈ 5400
0.0302 ≈ 0.03

Divide accordingly and you will get 180,000 ≈ 200,000 (1 s.f)

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Kinson Gan
Kinson Gan's answer
37 answers (A Helpful Person)
1st
I'm not sure if I used the estimation symbol correctly, correct it if it's wrong please. Otherwise, this should be it, as 3 is a factor of 54, the division will be easier.
Eris Tan KQ
Eris Tan KQ
5 years ago
why does 5450 round off to 5400 tho? and not 5500?
Eris Tan KQ
Eris Tan KQ
5 years ago
Thanks!
Kinson Gan
Kinson Gan
5 years ago
In response to your 1st comment, 5400 is easily divisible by 3, but not 5500