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    this is for area
    how do i work it out
    how you do go from m^2 to km^2
    isn't it timsing by 10,000
    like going from cm^2 to m^2?
    ty
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    (Original post by sixthformer)
    this is for area
    how do i work it out
    how you do go from m^2 to km^2
    isn't it timsing by 10,000
    like going from cm^2 to m^2?
    ty
    ...Mis-read question. The answer is 2 x10^8 m^2. I was two powers of ten out.
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    (Original post by Inkerman)
    It's 200,000 m^2 .....
    Can't be, 1 km^2 = 1000000 m^2

    so its 200x1000000=200000000
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    (Original post by sixthformer)
    this is for area
    how do i work it out
    how you do go from m^2 to km^2
    isn't it timsing by 10,000
    like going from cm^2 to m^2?
    ty
    ...

    200km^2 is like 200 km x 1km = 200 000m x 1 000m

    => 200 000 000 m^2

    It's really not hard, jeese.
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    how many metres are in 1km? now square that numebr and multiply 200 by it. The reason you times by 10,000 for cm is because theres 100 cm in a 1 metre and 100 squared is 10,000
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    1km2 is the area of a square with sides of length 1km. This is the same as the area of a square with sides of length 1000m, which is 1,000,000m2. So you need to multiply the 200 by 106=1,000,000.
 
 
 
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