# Algebra 2

What is 2√5 as a decimal?

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1. Depends what accuracy you want.
Since 2√5 is irrational, the decimal will not repeat with any definite pattern, nor will it end

2√5 = appr 4.472 correct to 3 decimals
or
2√5 = appr 4.47213596 correct to 8 decimal places

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posted by Reiny

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