The answer is 1 / 4
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Answer: $3.7
Step-by-step explanation:
23-20=3
3/2=1.5
20-1.5=18.5
18.5/5=3.7
The introduction of imaginary numbers similar to the introduction of negative numbers through the determination of square root of a negative number.
<h3>Imaginary numbers </h3>
Complex numbers are square root of a negative number. Since a square root of a negative number cannot be determined, it is always represented with "i"
Given the rational number √-4 for instance, this will result in complex number or imaginary number since it is a negative number.
Learn more on imaginary number here: brainly.com/question/10662770
