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560 nm is how many meters?

1 Answer

Sep 6, 2016

560 nm is $5.6 \times 10^{- 7}$ $5.6xx10^-7$ m.

Explanation:

nm, or nano-meters, is converted to meters by using the negative exponents since we're converting a small measurement to a larger one.

if 1 nm is $1 \times 10^{- 9}$ $1xx10^-9$ m, then 560 is $560 \times 10^{- 9}$ $560xx10^-9$

in scientific notation; we reduce 560 to 5.6 for convenience.

we divided 560 by 100, the exponent for 100 is $10^{2}$ $10^2$

add the exponent $x^{2}$ $x^2$ to $x^{- 9}$ $x^-9$ and you get the exponent $x^{- 7}$ $x^-7$

and $x = 5.6$ $x=5.6$ so 560 nm is $5.6 \times 10^{- 7}$ $5.6xx10^-7$ m.

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