About 6,271 people had viewed the video once it had been online for 20 days. The correct option is C.
<h3>What is exponential equation?</h3>
Exponential equation is the equation in which the exponent or part of exponents used as variables.

where, x is the number of days, given that x = 20
Putting the values in the equation

Thus, the correct option is C, 6,271.
Learn more about exponential equation
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The preparatory test for the SAT is called PSAT
Answer:
What role does blood play before cellular respiration can occur?
Blood releases energy from very small molecules.
Blood carries energy from cytoplasm to a mitochondrion.
Blood delivers oxygen and glucose to cells.
Blood delivers carbon dioxide and water to cells.
Explanation:
Recent data show that phenotypic variation categories such as skin color or facial form most often used to define race.
<h3>What is phenotypic variation?</h3>
Phenotypic variation can be defined as the difference in the observable characters or attributes (phenotypes) of each organism in a specific population such as:
Based on recent data from scientific research, phenotypic variation categories such as skin color or facial form most often used to define race.
Read more on phenotypic variation here: brainly.com/question/22840871
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Answer:
lolollollooololloloololol yolol
Explanation: