smallcrystalslpxs

2023-03-16

How to convert 5 meters to centimeters?

Spotty7b2o

The prefix 'cent' means 100. [Century is 100 years, $100c=1$]
In $1\phantom{\rule{1ex}{0ex}}\text{metre}\phantom{\rule{1ex}{0ex}}$ there are $100\phantom{\rule{1ex}{0ex}}\text{centimetres}$
To change metres $\to$ cm, multiply by 100.
(2 places to the right of the decimal point)
The number increases if the unit is decreased.
$5\phantom{\rule{1ex}{0ex}}\text{metres}×100=500\phantom{\rule{1ex}{0ex}}\text{centimetres}$

Ralph Sparks

Known: 1 metre is the same length as 100 centimetres
$1\phantom{\rule{1ex}{0ex}}\text{metres}=100\phantom{\rule{1ex}{0ex}}\text{centimetres}$
However, we need 5 meters, thus we must convert 1 meters to 5 meters.
What you do to one side of a multiply or divide also happens to the other.Multiply 5 to each side.
$5×1\phantom{\rule{1ex}{0ex}}\text{metres}=5×100\phantom{\rule{1ex}{0ex}}\text{centimetres}$
$5\phantom{\rule{1ex}{0ex}}\text{metres}\phantom{\rule{1ex}{0ex}}=500\phantom{\rule{1ex}{0ex}}\text{centimetres}$

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