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Question
Express the following surd in simplest form.
`sqrt(80)`
Simplify
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Solution
To simplify `sqrt(80)`:
Step-by-step:
Factor 80:
80 = 16 × 5
`sqrt(80) = sqrt(16 xx 5)`
= `sqrt(16) xx sqrt(5)`
= `4sqrt(5)`
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Chapter 1: Rational and Irrational Numbers - EXERCISE 1C [Page 15]
