Which of the Following Statements Will Produce the Value 21

question 95

Multiple Choice

Which of the following statements will produce the value 21.1?​

• A) ​SELECT ROUND(21.12,1)FROM dual;
• B) ​SELECT ROUND(21.12,-1)FROM dual;
• C) ​SELECT ROUND(21.12,0)FROM dual;
• D) ​none of the above

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Definitions:

Exophthalmometry

A measurement technique used to assess the degree of forward displacement of the eyeball, often related to conditions like Graves' disease.

Tonometry

A diagnostic test that measures the pressure inside the eye, which is important for detecting and managing glaucoma.

Conjunctivitis

An eye condition characterized by inflammation of the outermost layer of the eye and the inner surface of the eyelids, commonly known as pink eye.

Ophthalmoscopy

A procedure for examining the interior structures of the eye, especially the retina, using an instrument called an ophthalmoscope.