Determine the Number of Terms Sufficient to Obtain the Sum $\sum _ { n = 0 } ^ { \infty } \frac { ( - 5 ) ^ { n + 3 } } { ( n + 1 ) ! }$

question 21

Multiple Choice

Determine the number of terms sufficient to obtain the sum of the series accurate to three decimal places. $\sum _ { n = 0 } ^ { \infty } \frac { ( - 5 ) ^ { n + 3 } } { ( n + 1 ) ! }$

• A) 19
• B) 22
• C) 20
• D) 21

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Definitions:

Observational Learning

A learning process through watching the behaviors of others and the outcomes of those behaviors.

Modeling

A method used in psychology to learn by observing and imitating others' behaviors, attitudes, or emotional expressions.

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired together; an unconditioned stimulus and a conditioned stimulus.

Fear Response

The physiological and psychological reaction to perceived threats, activating the body's fight or flight response.