jazzzybear200 jazzzybear200

24-02-2021
Mathematics

contestada

The wavelength of yellow light in a spectrum is about 0.00002 inches. Which
number best approximates this length as a power of 10?
A. 2 x 10-5
B. 2 x 10^5
C. 2 x 10-4
D. -2 x 10^5

Respuesta :

jackiezhang2007 jackiezhang2007

24-02-2021

since the 2 is the 5th digit after the decimal, scientific notation will be 2*10^-5 thus choosing

Thus choice A is the correct answer.

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