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a) Evaluate: 21-12 + (4-10)

a) Evaluate: 21-12 + (4-10)

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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a) Evaluate: 21 -12 + (4-10)
Transcribed Image Text:a) Evaluate: 21 -12 + (4-10)
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d) Given that the speed of light in a vacuum is 3.0 × 108 m/s and the speed of light in crown glass is 2.1 x 108 m/s i) Express the speed of light in a vacuum to the speed of light in crown glass as a simplified ratio. ii) What percentage of the speed of light in a vacuum does light travel in crown glass?
Transcribed Image Text:d) Given that the speed of light in a vacuum is 3.0 × 108 m/s and the speed of light in crown glass is 2.1 x 108 m/s i) Express the speed of light in a vacuum to the speed of light in crown glass as a simplified ratio. ii) What percentage of the speed of light in a vacuum does light travel in crown glass?
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Follow-up Question
b) Divide 132 into the ratio 2:7:3 c) If a person is 246 months old. Express the person's age in years as a mixed number.
Transcribed Image Text:b) Divide 132 into the ratio 2:7:3 c) If a person is 246 months old. Express the person's age in years as a mixed number.
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