Use the Combinations Formula
Use the Formula For $$\mathrm { n } ^ { \mathrm { C } _ { \mathrm { r } } }$$

question 284

Multiple Choice

Use the Combinations Formula
Use the formula for
$$\mathrm { n } ^ { \mathrm { C } _ { \mathrm { r } } }$$ to evaluate the expression.
-A stack of 10 different cards are shuffled and spread out face down. If 4 cards are turned face up, how many different 4-card combinations are possible?

• A)210
• B)5040
• C)151,200
• D)2520

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Definitions:

Long-Term Memory

The phase of the memory process that allows the storage of information over extended periods, potentially lifelong.

Recall

The cognitive process of retrieving past information or experiences from memory without the aid of explicit cues.

Errors

Mistakes or inaccuracies in action, calculation, opinion, or judgment caused by poor reasoning, carelessness, or insufficient knowledge.

Working Memory

A brain function of limited capability designed to hold information in the short term for later processing.