On recurring decimals as a rational number. Express 4.125 as a rational number. the answe is 2042/495
Answers
Answered by
1
Answer:
false
Step-by-step explanation:
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Answered by
1
Answer:
the answer is 4121/999
Step-by-step explanation:
Let us take x=4.125125........ -(1)
Let us multiply the above equation with 1000
1000x=4125.125125..... -(2)
Subtract (1) from (2)
We get 999x=4121(All decimal places behind the whole no value gets cancelled.You cannot multiply with 10 or 100 because when subtracting ,behind the decimal value 5125125....-125125..... is not equal to zero due to which the recurring decimals do not get cancelled and yet remain.)
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