The Number 54,900 Correctly Expressed in Scientific Notation Is

question 78

Multiple Choice

The number 54,900 correctly expressed in scientific notation is:

• A)5.49 × 10⁴
• B)54.9 × 10³
• C)5.49 × 10⁻³
• D)5.5 × 10⁴
• E)5.49 × 10⁻⁴

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Definitions:

Secondary Circular Reaction

A developmental phase in infants characterized by repetitive actions aimed at reproducing desirable outcomes, crucial for cognitive development.

Scheme

An organized pattern of thought or behavior that organizes categories of information and the relationships among them.

Primary Circular Reaction

A repetitive action in early child development (around 1-4 months of age) where infants learn to coordinate sensory experiences with new motor activities, focusing mainly on their own bodies.

Cognitive Processes

The mental actions or operations involved in acquiring, processing, and storing knowledge, including perception, memory, and reasoning.