Answer: .3 or 3/10
Explanation: The probability that her first answer is correct is 2/5. Since she got the first guess correct, now there is only 1 correct answer out of 4. There is a 3/4 chance she will get the next problem wrong
So: 2/5 x 3/4 = .3
The technique that is known to be illustrated is said to be DNA hybridization.
<h3>What is DNA hybridization?</h3>
In the study of genome, DNA hybridization is known to be a kind of a molecular biology method that is often used to know the measures or the degree of genetic similarity that exist between a given pools of DNA sequences.
DNA hybridization is also seen as ability of two given strand of complementary DNA that tends to pair with another strand and it is one that can be used to find out other similar DNA sequences in two other kinds of species or within a given genome of a single species.
Note that in the case above, The technique that is known to be illustrated is said to be DNA hybridization.
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If you don't know pick c and analyze the question
The exact volume of this cylinder is equal to 225π cubic centimeters.
<h3>How to calculate the volume of a cylinder.</h3>
Mathematically, the volume of a cylinder is given by this formula:

<u>Where:</u>
<u>Given the following data:</u>
Height of cylinder = 9 cm.
Diameter of cylinder = 10 cm.
Radius = 
Substituting the given parameters into the formula, we have;

Volume = 
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