# Express the following in scientific notation: 200.1

2 x 10^2

Explanation

When u move the decimal so there is one non-zero digit to the left of the decimal point, the number of decimal places u move will be the exponent on the 10 so If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

## Related Questions

Identify the electromagnetic waves with the longest wavelengths and the electromagnetic waves with the shortest wavelength

In the electromagnetic spectrum, the radio waves are the waves with the longest wavelength and gamma rays are the waves with the shortest wavelength.

What is an electromagnetic spectrum?

The distribution of electromagnetic radiations established on the wavelength and frequency of the waves has been seen in the electromagnetic spectra. They include subranges of radiation with characteristic wavelength, frequency, and energy.

The waves with higher wavelengths have been seen to have shorter frequencies as they are inversely proportional and vice versa. The lowest frequency is seen in the radio waves and the highest frequency is observed in the gamma rays.

Therefore, radio waves have the longest, and gamma rays have the shortest wavelength.

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The Electromagnetic Spectrum consists of radio waves, microwaves (a type of radiowave), infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays. Waves with the longest wavelengths have the lowest frequencies. Waves with the shortest wavelengths have the highest frequencies.

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What are the relationships between group configuration and group number for elements in the s,p, and d blocks?

"Shells" are composed of individual orbitals. The valence shell is the outer most shell and only its s and p orbitals are occupied, which is why the octet rule works. The relationship between group configurations and group members are as follows:

Group 1 & 2- ns1,2
Group 1-13 - (n-1)d1-10 ns0-2
Group 13-18 - ns2np1-6

The average atomic mass of a sample of an element X is 16.2u. What are the percentages of isotopes X (mass number 16, atomic number 8) and X (mass number 16, atomic number 8) in the sample?

isotopes of hydrogen are protium,deuterium and tritium

What is the maximum number of electrons the n = 4 shell can contain?

Answer: The number of electrons in n = 4 energy level will be 32.

Explanation:

The total number of electrons that are contained in any energy level is calculated by using the formula of where n = principle quantum number = 1, 2, 3, 4, 5 ...

We are given:

Principle quantum number of the value, n = 4

Putting this in above equation, we get:

Hence, the number of electrons in n = 4 energy level will be 32.

There will be 32 electrons in the n=4 shell.

If your car gets 41.8 mi/gal, how many gallons of gasoline would you use if you drove 478.8 miles?

You would used around 11.5 gallons of petrol to get to your destination.

Iodine has 53 protons and 74 neutrons: what is the atomic number? What is the atomic mass?

#: 53

Mass: 126.90447 u
Atomic number is 53
atomic mass is 126.90447 amu

Which of the following is a strong electrolyte when it is mixed with water? (A) HNO₂
(B) KNO₃
(C) C₂H₅OH
(D) CH₃COOH
(E) NH₃

CH3COOH
Because C2H5OH is not a strong electrolyte

If a substance evaporates easy it is said to be ______. A.Changing pigmentation
B.Volatile
C.Condensing
D.Crystallized

Volatile means to easily be evaporated.

Explanation:

B

Explanation:

If a substance evaporates easily it is said to be volatile.

Which characteristics describe bacteria? Check all that apply. are microscopic are single celled are multicelled have shapes that include sphere, rod, and spiral have shapes that include prism, cone, and spiral have nuclei and membrane-bound organelles do not have nuclei and membrane-bound organelles

Bacteria are microscopic organisms having the shape of rod, sphere, or spiral. The bacteria lack predefined nuclei and membrane-bound organelles.

Bacteria are prokaryotic organisms with the absence of a well-defined system for performing specific tasks.

• The bacteria are the smallest single-celled organisms that can not be viewed by naked eyes.

• The bacteria are classified based on their shapes. They can be spherical, rod and spiral.

• The bacteria are not present in complex shapes such as prism, cone, or spiral.

• The nuclei and membrane-bound organelles are the characteristics of eukaryotic organisms. The bacteria being the primitive organisms lack the well-defined nucleus and membrane-bound organelles.

Thus bacteria are microscopic organisms having the shape of rod, sphere, or spiral. The bacteria lack predefined nuclei and membrane-bound organelles.

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