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Solve the Problem. -How Many Different Sequences of 4 Digits Are Possible If

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Solve the problem.
-How many different sequences of 4 digits are possible if the first digit must be 3, 4, or 5 and if the sequence may not end in 000? Repetition of digits is allowed.


Definitions:

Anorexia Nervosa

An eating disorder characterized by compulsive starvation and extreme weight loss and accompanied by a distorted body image.

Bulimia Nervosa

An eating disorder characterized by episodes of binge eating followed by compensatory behaviors like vomiting, fasting, or excessive exercise.

Body Weight

The mass or weight of a person's body, which can be a critical factor in determining health and wellness.

Thoughts of Suicide

The consideration or contemplation of ending one's own life, often associated with depression and mental health disorders.

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