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Decimals on a Number Line

A pencil lead...

Question

A pencil lead has a length of 0.05 unit. If it is broken into 10 equal pieces along its length, find the length of each piece.
0.005

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Solution

The correct option is A 0.005
The length of the pencil lead = 0.05 unit

The pencil lead is broken into 10 equal pieces.

$∴$ Length of each piece $= \frac{Total length}{Total number of pieces}$
$= \frac{0.05}{10} unit$
$= 0.005 unit$

Let's visualize the same using a number line.

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