One hundredth of a millimetre is called a micron or micrometre. It is a unit of length in the metric system, commonly used to measure things at a microscopic scale, such as bacteria or particles in the air. One micron is equal to 0.001 millimetres or 1 x 10^-6 metres.
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Milli means 1/1000 and a millimeter is exactly one thousandth of a meter.
A centisecond.
There are 10 millimetres in one centimetre. Therefore, 1 millimetre is equal to 1/10 = 0.1 centimetres. This is one hundredth of the length of 10 centimetres.
no * * * * * Of course there are! 1 micrometre (or micron) = one thousandth of a millimetre, 1 nanometre = one millionth of a millimetre 1 picometre = one billionth of a millimetre 1 femto = one trillionth of a millimetre 1 attometre = one quadrillionth of a millimetre 1 zeptometre = one quintillionth of a millimetre 1 yoctometre = one sextillionth of a millimetre and also 1 Planck's length = 162 nonillionth a millimetre (approx)
A centimeter = 1/100 of a meter