The First Term of a Geometric Sequence Is $12$ And the Second Term Is

question 89

Essay

The first term of a geometric sequence is $12$ and the second term is $4$ . Find the fifth term.

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Definitions:

Caliche

A sedimentary rock, a hardened natural cement of calcium carbonate that binds other materials—such as gravel, sand, clay, and silt.

Desert Pavement

A natural surface covering of closely packed rock fragments found in desert regions, formed by the removal of finer particles by wind and water.

Sand Dune

A hill or ridge of sand piled up by the wind in desert regions or near lakes and oceans.

Orbital Variations

Changes in the shape, tilt, and orientation of the Earth's orbit around the sun, affecting climate patterns over long periods.