I want to ask what's in a dime.

1. Common items in our daily life are: the thickness of a penny coin, ID cards, blades, cards, bank cards, membership cards, sesame seeds, nails, copper wires, and the aperture size of a sieve.

2. Millimeter is the unit of length measurement. When measuring very small and short objects, millimeters are often used as units. If the object is longer or taller, millimeters can be converted into centimeters or decimeters. 1 decimeter =10cm =100mm.

3. Extended information:

The measurement of length is the most basic measurement, and the most commonly used tool is the scale.

4. The international unit of length is meter (m), and commonly used units are kilometer (km), decimeter (dm), centimeter (cm), millimeter (mm), micron (micron) and nanometer (nm).

5、 1Km= 1000m， 1m= 10dm， 1dm= 10cm， 1cm= 10mm， 1mm= 1000μm， 1 μm = 100nm

6, length unit conversion, small units into large units through division, large units into small units through multiplication.

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