Simplify the Numerical Expression $$( 5 - 8 ) ^ { 2 }$$

question 15

Multiple Choice

Simplify the numerical expression. $$( 5 - 8 ) ^ { 2 }$$

• A)9
• B)8
• C)-9
• D)11
• E)-5

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Definitions:

Trophoblast

The outer layer of cells that develops in the germinal period. These cells provide nutrition and support for the embryo.

Germinal Period

The period of prenatal development that takes place in the first two weeks after conception. It includes the creation of the zygote, continued cell division, and the attachment of the zygote to the uterine wall.

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, giving rise to the skin and nervous system.

Prenatal Development

The progression of maturation and evolution inside the uterus from the moment of conception until the time of delivery.