If a Circle Has a Radius of 1

question 52

Multiple Choice

If a circle has a radius of 1.109 m,what is its area expressed to the correct number of significant figures?

• A)3.86 m²
• B)3.863 m²
• C)3.864 m²
• D)3.8638 m²
• E)3.86379 m²

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Definitions:

Evergreen

A plant that sheds leaves over a long period, so some leaves are always present. Compare with deciduous.

Glycogen

A multibranched polysaccharide of glucose that serves as a form of energy storage in fungi and animals, including humans.

Cellulose

A long-chain polysaccharide composed of glucose units, forming the primary structural component of plant cell walls and providing rigidity and strength.

Dextrin

A group of low-molecular-weight carbohydrates produced by the hydrolysis of starch, used in various food and industrial applications.