Question

Write the following rational numbers in decimal form? 18 by 42​

Answer 1

Answer:

18/42 = 0.42857142857

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Answer 2

Answer:

The decimal form of the given rational number $\sf\dfrac{18}{42}$ is

$\sf\:0.428571428571...\:=\:0.\overline{428571}$

Step-by-step-explanation:

NOTE: Kindly refer to the attachment.

Additional Information:

1. Rational Number:

Any number which can be expressed in the form of $\sf\dfrac{p}{q}$ where $\sf\:q\:\neq\:0$ is called as rational number.

2. Steps to express a rational number in decimal form:

1. Divide the numerator of the given rational number by the denominator until the remainder gets zero.

2. If the remainder is not equal to zero, then the quotient of the division is non - terminating and recurring number.

3. If only one digit is recurring, then it is denoted by giving a dot on the single digit.

Ex.:

$\sf\:45.253333...\:=\:45.25{3}^{.}$

4. If two or more digits are recurring, then it is denoted by giving a bar on those digits.

Ex.:

$\sf\:35.797979...\:=\:35.\overline{79}$