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How many nanometers are in a meter?

One hundred million

One million

One billion

A meter is a unit of length in the metric system, and it is defined as equal to 1 billion nanometers. In scientific notation, 1 nanometer is equivalent to \(10^{-9}\) meters. Therefore, to convert meters to nanometers, you multiply by 1,000,000,000 (which is \(10^{9}\)). This means that one meter encompasses one billion (1,000,000,000) nanometers.

Understanding this conversion is crucial in fields such as physics, chemistry, and biology, where precise measurements at the nanometer scale are often needed, especially in applications involving wavelengths of light or the size of molecules.

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One trillion

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