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Question

Represent 0.123333… in a rational form. [3 MARKS]

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Solution

Concept : 1 Mark
Calculation : 2 Marks

Let x=0.12¯3
1000x=123.¯3 ...(equation 1)
100x=12.¯3 ...(equation 2)

Hence, 900x=111 (On subtracting equation 2 from equation 1)

x=111900
x=37300


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