Question

express the decimal number 2.218(bar only for 218) as a rational number

Answer 1

Hi !!!

2.218 ( bar on 18)

Let X = 2.218

Then X = 2.2181818 ---------(1)

Multiply equation (1) by 10 we get,

10X = 22.181818 -------------(2)

Again multiply equation (2) by 100 we get,

1000X = 2218.181818 ---------(3)

Subtract equation (1) from equation (2) we get,

1000X = 2218.181818

10 X = 22.181818

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990X = 2196

X = 2196/990 =122/55

Hence,

2.218 ( bar on 18) is in the form of 244/55 which is in the form of P/Q.

HOPE IT WILL HELP YOU......

Answer 2

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HERE IS UR ANSWER

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122/55 is the anSwer