Simplify the Expression $( 5 + i ) ( 2 - 3 i )$

question 18

Multiple Choice

Simplify the expression. Enter the answer in a + bi form. $( 5 + i ) ( 2 - 3 i )$

• A) \(7 + 13 i\)
• B) \(13 - 13 i\)
• C) \(13 + 13 i\)
• D) \(7 - 13 i\)

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Definitions:

Interval Estimate

An assortment of values, from sample statistics, which is envisioned to contain the value of a mysterious population parameter.

Population Mean

The average value of all elements in a complete set of a population.

Population Standard Deviation

A measure of the dispersion or spread of a set of data points in a population dataset.

Confidence Interval

A range of values, derived from sample data, that is likely to contain the value of an unknown population parameter with a certain level of confidence.