Simplify the Expression, and Write Your Answer in Scientific Notation

question 87

Multiple Choice

Simplify the expression, and write your answer in scientific notation.

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Definitions:

Radial Cleavage

A type of embryonic development in certain animals where cell divisions occur at right angles to one another, typical in deuterostomes.

Coelom

Body cavity of an animal; the method by which the coelom is formed (or lack of formation) is an identifying characteristic in animal classification.

Protostomes

A group of animals characterized by the blastopore (the first opening in the developing embryo) becoming the mouth, including groups like mollusks and annelids.

Deuterostomes

A group in the animal kingdom characterized by the development of the anus from the first opening in the embryo, with the mouth developing later.