Multiply
- $\sqrt { - 13 } \cdot \sqrt { - 7 }$

question 91

Multiple Choice

Multiply.
- $\sqrt { - 13 } \cdot \sqrt { - 7 }$

• A) \(- \sqrt { 91 } \mathrm { i }\)
• B) \(\sqrt { 91 } \mathrm { i }\)
• C) \(- \sqrt { 91 }\)
• D) \(\sqrt { 91 }\)

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Definitions:

Confidence Level

The degree of certainty or probability that a parameter lies within a specified range of values.

Estimating Procedure

A systematic method used to predict or calculate the likely amount, size, cost, or duration of something with incomplete information.

Engine

A machine designed to convert energy into useful mechanical motion, often found in vehicles, machinery, and various equipment.

Statistic

A numerical measurement describing some characteristic of a sample.