The scientific notation of 400 nm is 4.0 x 10^-7 meters. This is because scientific notation represents a number as a coefficient multiplied by 10 raised to a certain power. In this case, 400 nm is equivalent to 4.0 x 10^-7 meters, as there are 10^9 nanometers in a meter.
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33 400 in scientific notation is 3.3 X 104 .
The result of pi x 9.6 nm² x 4.8 nm in scientific notation is approximately 179.52 nm⁴.
4x1012
2 nm = 2*10-9 metres.
2000+400+70+8