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4 years ago

(radical) √640 estimated to the nearest hundredth.

1 answer:

7 0

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Radical Form
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$\sqrt{640} = \sqrt{64 \times 10} 
$

$\sqrt{640} = \sqrt{64} \times \sqrt{10} 
$

$\sqrt{640} = 8 \sqrt{10}$

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Decimal Form
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$\sqrt{640} = 25.298$

$\sqrt{640} = 25.30$

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Answer : √640 = 25.30 (nearest hundredth)
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