Write the Complex Number in Standard Form $\sqrt { - 20 } \times \sqrt { - 18 }$

question 59

Multiple Choice

Write the complex number in standard form.​ $\sqrt { - 20 } \times \sqrt { - 18 }$ ​ ​

• A) \(6 \sqrt { 10 }\)
• B) \(- \sqrt { 20 }\)
• C) - \(6 \sqrt { 10 }\)
• D) \(\sqrt { 18 }\)
• E) \(\sqrt { 20 }\)

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Definitions:

Otoplasty

A surgical procedure to change the shape, position, or size of the ears.

Stapedectomy

A surgical procedure aimed at improving hearing by removing part or all of the stapes bone in the middle ear and replacing it with a small prosthetic device.

Tympanectomy

A surgical procedure involving the removal of all or part of the eardrum, often to treat infections or other ear problems.

Ossicles

The three small bones in the middle ear known as the malleus, incus, and stapes, which transmit sound vibrations to the inner ear.