Find the leftmost and the rightmost number when the following are represented on the number line.

$\frac{- 19}{10}, \frac{- 9}{5}, \frac{- 8}{5}, \frac{- 3}{2}, \frac{- 17}{10}$

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Solution

Let us find the decimal values of the given rational numbers and compare them.

$\frac{- 19}{10} = - 1.9$

$\frac{- 9}{5} = - 1.8$

$\frac{- 8}{5} = - 1.6$

$\frac{- 3}{2} = - 1.5$

$\frac{- 17}{10} = - 1.7$

So, the ascending order is :
-1.9, -1.8, -1.7, -1.6, -1.5

Hence, the ascending order of the given numbers is :

$\frac{- 19}{10}, \frac{- 9}{5}, \frac{- 17}{10}, \frac{- 8}{5}, \frac{- 3}{2}$

The leftmost and rightmost number on the number line is
$\frac{- 19}{10} a n d \frac{- 3}{2}, r e s p e c t i v e l y .$

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\frac{- 19}{10}

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\frac{- 13}{10}

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A, E a n d H

A = \frac{1}{10}, E = \frac{5}{10}, H = \frac{8}{10}

If the following numbers are represented on a number line, which number will be the rightmost?
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Represent the following numbers on a number line:

(a) + 5 (b) − 10 (c) + 8

(d) − 1 (e) − 6

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