Question

chapter is square and square roots Discuss and please answer in step by step ​

Answer 1

Answer and step by step explanation:

$\sqrt{6.889} = \sqrt{ \frac{6889}{1000} } \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{83}{10 \sqrt{10} }$

$\sqrt{68.89} = \sqrt{ \frac{6889}{100} } \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{83}{10} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 8.3$

$\sqrt{0.6889} = \sqrt{ \frac{6889}{10000} } \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{83}{100} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 0.83$

$\sqrt{68.89} - \sqrt{0.6889} \\ = 8.3 - 0.83 \\ = 7.47$

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