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Question

Express the following in the form pq, where p and q are integers and q0
0.4¯¯¯7

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Solution

Let x=0.4¯¯¯7
10x=4.¯¯¯7=4.7¯¯¯7
10x=4.3+x
9x=4.3 =4310
x=4390

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