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# How are radical expressions and rational exponents used in real life?

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### Quick Answer

Radical expressions are used in real life in carpentry and masonry. Rational expressions are used to compute interest and depreciation in the financial industry.

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### Full Answer

Radical expressions are mathematical expressions that contain a square root. They are commonly found in trigonometry and geometry. Radical expressions are also found in electrical engineering.

Rational exponents are exponents that are in the form of a fraction. A rational exponent can be used to calculate the inflation on a home over a period of time. In science, biologists use rational exponents to compare the surface areas of different animals to each other to help with size comparisons.

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