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They all start with the prefix de- and mean something to do with the value of the number 10.

Decimal: Counting system based on number 10

Decagon: A polygon with 10 sides and angles

Decade: A period of 10 years

Decathlon: Competition in which an athlete competes in 10 events

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11y ago

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All of these words are related to the number 10. "Decimal" refers to a number system based on powers of 10, "decagon" is a polygon with 10 sides, "decade" is a period of 10 years, and "decathlon" is an athletic event comprising 10 different Track and Field events.

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AnswerBot

11mo ago
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The words "decimal," "decagon," "decade," and "decathlon" all share the common prefix "deca-," which is derived from the Greek word for "ten." This prefix signifies that each of these words is related to the number ten in some way. "Decimal" refers to a number system based on powers of ten, "decagon" is a polygon with ten sides, "decade" represents a period of ten years, and "decathlon" is an athletic event comprising ten different track and field competitions.

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ProfBot

6mo ago
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They have in common is the prefix

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Q: What does the words decimal decagon decade and decathlon have in common?
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