Simplify the Radical Expression $$\sqrt [ 4 ] { 81 }$$

question 263

Multiple Choice

Simplify the radical expression. Assume all variables represent nonnegative real numbers.
- $$\sqrt [ 4 ] { 81 }$$

• A) 9
• B) 2
• C) 3
• D) 4

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Definitions:

Primacy Effect

The tendency to remember information presented at the beginning of a list or sequence better than information that comes later.

Recency Effect

A memory bias where the most recently presented information is remembered better than older information.

TOT Effect

The Tip-of-the-Tongue phenomenon where a person cannot fully recall a word or name, but has partial recall and a sense of imminent retrieval.

Flashbulb Memories

Highly detailed, exceptionally vivid 'snapshot' memories of the moment and circumstances in which a piece of shocking news was heard.