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siniylev [52]
4 years ago
14

Which of the following represents a chemical change? (1 point)

Physics
1 answer:
fgiga [73]4 years ago
8 0
Can I see a photo or can you comment the answer choices.
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The frequency of violet light is 7.5x10 to the 14th power hertz. What is the wavelength?
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Wavelength times frequency = speed of light
7.5E14 x wavelength = 300,000 m/s

Wavelength in meters = 300,000 divided by 7.5E14
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3 years ago
The mass of a meteoroid was found to be 1.24 × 107 kilograms. Write the mass in standard notation.
Musya8 [376]

Answer:

The value we are given in the question is 1.24 * 10^7. This form of writing number is called scientific notation. The standard notation is the normal, regular way of writing numbers. Scientific notation and standard notations are interchangeable.

1.24 * 10^7 written in standard notation will be = 1.24 * 10000000 = 12400000.

Thus, the mass of the meteoroid was 12400000 kg.

Explanation:

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3 years ago
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f biofuel production and use reduces our consumption of imported fossil fuels, we may become less vulnerable to the adverse impacts of supply

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2 years ago
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Answer:

1.0s

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3 years ago
4 what is the difference between an array's size declarator and a subscript?
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