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Katena32 [7]
3 years ago
9

Which sub-atomic particle is NOT found at the center of the atom?

Chemistry
2 answers:
Ostrovityanka [42]3 years ago
8 0
All the positive charge of an atom is contained in the nucleus, and originates from the protons. Neutrons are neutrally-charged. Electrons, which are negatively-charged, are located outside of the nucleus.
Mila [183]3 years ago
8 0

Answer:

Protons and neutrons are in the nucleus (the center of an atom), but electrons are not.

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A mileage test is conducted for a new car model. Thirty randomly selected cars are driven for a month and the mileage is measure
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Answer:  (27.81,\ 29.39)

Explanation:

Given : Sample size : n= 30 , it means it is a large sample (n≥ 30), so we use z-test .

Significance level : \alpha: 1-0.95=0.05

Critical value: z_{\alpha/2}=1.96

Sample mean : \overline{x}=28.6

Standard deviation : \sigma=2.2

The formula to find the confidence interval is given by :-

\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}

i.e. 28.6\pm (1.96)\dfrac{2.2}{\sqrt{30}}

i.e. 28.6\pm 0.787259889321

\approx28.6\pm 0.79=(28.6-0.79,28.6+0.79)=(27.81,\ 29.39)

Hence, the 95% confidence interval for the mean mpg in the entire population of that car model = (27.81,\ 29.39)

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Static charges can be applied to neutral objects by friction, induction or conduction. What do all of these methods utilize to c
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Find the volume of a cereal box that has the dimensions of 35.2 cm x 220 cm x 6.0 cm
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Volume = 35.2×220×6.0 = 46464 centimeters³

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