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KIM [24]
2 years ago
8

Help please! this is physics !

Physics
2 answers:
KATRIN_1 [288]2 years ago
4 0

Answer:

4. The choose b. 0.000355

Ans; 3.55× 10-⁴ = 0.000355

5. The choose C. 80600

Ans; 8.06 ×10⁴= 806×10² = 80600

I hope I helped you^_^

yKpoI14uk [10]2 years ago
3 0
B and C.


First if the power is negative, move the decimal to the left. And you move the decimal by the number on the power. So you move 4 to the left. Same goes for the other except it’s positive so you go 4 to the right.
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7.5 x 10⁻¹¹m. An electromagnetic wave of frecuency 4.0 x 10¹⁸Hz has a wavelength of 7.5 x 10⁻¹¹m.

Wavelength is the distance traveled by a periodic disturbance that propagates through a medium in a certain time interval. The wavelength, also known as the space period, is the inverse of the frequency. The wavelength is usually represented by the Greek letter λ.

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