Let a Be the Set of All Strings of Decimal

question 109

Short Answer

let A be the set of all strings of decimal digits of length five. For example, 00312 and 19483
are strings in A.
-Find |A|.

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Definitions:

Positive Therapy Effect

Refers to the beneficial outcomes of therapy, such as improved emotional state, cognitive functioning, or behavior, as a result of therapeutic interventions.

Academic Journal

A professional publication that presents original research, reviews, or scholarly articles in a specific academic field.

Unwanted Effect

An undesirable or harmful outcome resulting from an action or medication.

Negative Therapy Effect

An adverse outcome in psychotherapy where the patient's symptoms worsen instead of improving.