0.00352 when expressed as a (bar on 2) rational number is :
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let x = 0.00352
Clearly, there are two digits on the right side of the decimal point which are without bar.So, we multiply both sides of x by 103 = 1000 so that only the repeating decimals is left on the right side of the decimal point.
∴ 1000x = 3.52
=> 1000x = 3 + 0.52
=> 1000x = 3 + 52/99
=> 100x = (3 x 99 +52)/99
=> 1000x = (297 +52)/99 => 1000x = 349/99 => x = 349/99000
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0.00352 when expressed as a (bar on 2) rational number is :
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