In a Horse Race, Nine Horses Are Running

question 136

Short Answer

In a horse race, nine horses are running. Assume you have purchased a Trifecta ticket. (In Trifecta, the player selects three horses as first, second, and third place winners. To win, those three horses must finish the race in the precise order the player has selected.) How many possibilities of a Trifecta exist?

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Definitions:

Nervous Tissue

Specialized tissue that makes up the central and peripheral nervous systems, consisting of neurons and supporting cells, responsible for transmitting nerve signals.

Neurons

Nerve cells that are the building blocks of the nervous system, involved in processing and transmitting information through electrical and chemical signals.

Glia

Non-neuronal cells in the nervous system that support, protect, and nourish neurons.

Hemocytoblasts

Stem cells in the bone marrow from which all blood cells (red cells, white cells, and platelets) are derived.