Rewrite the Number or Expression as Requested $2.79 \cdot 10 ^ { - 4 }$

question 5

Multiple Choice

Rewrite the number or expression as requested.
- $2.79 \cdot 10 ^ { - 4 }$ (Rewrite as a standard numeral.)

• A) 0.00279
• B) 0.0000279
• C) -279,000
• D) 0.000279

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Definitions:

Capsid

Protective protein containing the genetic material of a virus.

RNA

A nucleic acid involved in coding, decoding, regulation, and expression of genes, acting as a messenger between DNA and proteins.

DNA

Deoxyribonucleic acid, a molecule that carries the genetic instructions for the development, functioning, and reproduction of all known living organisms and many viruses.

Protein

Polymer of amino acids; often consisting of one or more polypeptides and having a complex three-dimensional shape.