Question

please tell me the truth answer ​

Answer 1

Step-by-step explanation:

We have,

$\boxed{\sf{\sqrt{3}=1.732}}$

Therefore,

$\sf{\sqrt{27}+\sqrt{75}+ \sqrt{108}-\sqrt{243}}$

$\sf{=3\sqrt{3}+5\sqrt{3}+6 \sqrt{3}-9\sqrt{3}}$

$\sf{=\sqrt{3}(3+5+6-9)}$

$\sf{=\sqrt{3}(14-9)}$

$\sf{=\sqrt{3}(5)}$

$\sf{=(1.732)(5)}$

$\sf{=\boxed{\sf{8.660}}}$

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