3 years ago

Anyone knows the answer

2 answers:

7 0

The answer is 16,300. To get the answer, you just move the decimal over 4 places to the right and add your zeros in.

hopefully this helps

Sladkaya [172]3 years ago

7 0

It would be the 3rd one hope this helps good luck

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Rationalise 10/√7-√2

s344n2d4d5 [400]

<h3>Solution:</h3>

$\frac{10}{ \sqrt{7} - \sqrt{2} } \\ = \frac{10}{ \sqrt{7} - \sqrt{2} } \times \frac{ \sqrt{7} + \sqrt{2} }{ \sqrt{7} + \sqrt{2} } \\ = \frac{10( \sqrt{7} + \sqrt{2}) }{( \sqrt{7} - \sqrt{2} )( \sqrt{7} + \sqrt{2} )} \\ = \frac{10 \sqrt{7} + 10 \sqrt{2} }{( { \sqrt{7} )}^{2} - ( \sqrt{2} ) ^{2} } \\ = \frac{10( \sqrt{7} + \sqrt{2} )}{7 - 2} \\ = \frac{10( \sqrt{7} + \sqrt{2} ) }{5} \\ = 2( \sqrt{7} + \sqrt{2} ) \\ = 2 \sqrt{7} + 2 \sqrt{2}$