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PIT_PIT [208]
3 years ago
6

Lead-202 has a half-life of 53,000 years. How long will it take for 15/16 of a sample of lead-202 to decay?

Physics
1 answer:
ohaa [14]3 years ago
4 0

Answer:

C. 212,000 years

Explanation:

believe me it's correct.....and you're welcome :)

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What is the frequency of an electromagnetic wave that has a wavelength of 4,000m?
NeTakaya

Answer:

f=75000hz

Explanation:

fλ= c

f= c/λ

f = 3.0×10^8/4000

f=75000hz

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3 years ago
which option below best explains why the second law of thermodynamics is not violated when heat flies from a cold freezer and in
Rainbow [258]

Explanation:

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A)what are oxidation numbers? b) what useful functions do oxidation numbers serve
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<span>A) indicate the general distribution of electrons among bonded atoms in molecular compounds
B)</span>useful in naming compounds, writing formulas, and balancing chemical equations
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Answer:

Snth = u + a/2 ( 2n - 1)

Explanation:

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3 0
3 years ago
Antoinette was diagnosed with hypertension, a noncommunicable disease in which her blood pressure is higher than normal. What is
Oxana [17]

Answer:

She was obese and had a diet high in salt intake.

Explanation:

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5 0
3 years ago
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