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Is there something smaller than a millimeter?
There is the micrometer and the nanometer(1 billionth of a meter)
What is equal to one billionth of a millimeter?
Using the short scale, 1 billionth of a millimetre = 10⁻⁹ × 10⁻³ m = 10⁻¹² m = 1 pm = 1 picometre Using the long scale, 1 billionth of a millimetre = 10⁻¹² × 10⁻³ m = 10⁻¹⁵ m = 1 fm = 1 femtometre
1 nanometer equals mm?
1 nanometer = 1/1,000,000 mm which is one one-millionth of a millimeter or one one-billionth of a meter.
What is a billionth of a billionth of a billionth of a billionth?
1 billionth = 10-9 (1 billionth)4 = (10-9)4 = 10-36 That's 0.000 000 000 000 000 000 000 000 000 000 000 001
What unit would you use to measure small lengths?
Depending how small it is, you could use the meter, the millimeter, the micron (= micrometer), the nanometer, etc. The meter is approximately the height of a child; the millimeter is 1/1000 of that, the micron is a millionth of a meter, the nanometer is a billionth of a meter.
