Find the Exact Value of the Given Expression Using a Sum

question 84

Multiple Choice

Find the exact value of the given expression using a sum or difference formula.

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Definitions:

Radio

A technology that uses radio waves to transmit information, such as sound, by modulating properties of electromagnetic energy through space.

Satellite

A satellite is an artificial body placed in orbit around the earth or another planet to collect information or for communication.

Microwave

An electromagnetic wave with a wavelength in the range of 1 meter to 1 millimeter; also, a kitchen appliance that cooks food using microwave radiation.

Fiber

Refers to materials, usually threads or filaments, that are significantly longer than they are wide and used in the making of textiles, or to dietary material containing substances such as cellulose, lignin, and pectin, which are resistant to the action of digestive enzymes.