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Saifoo.khan please help with the sqrt(240)
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\[240=16\times 15\] is a hint
\[16*\sqrt{15}\]
is that it?
\[\sqrt{240}=4\sqrt{15}\]
safiah
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when you break it down and there is two groups of 2 do you just do 2(2)?
@satellite73 gave you a very big hint at ow to solve this. you need to make use of the rule \(\sqrt{a\times b}=\sqrt{a}\times\sqrt{b}\). so, in your case, we have \(\sqrt{240}=\sqrt{16\times15}=\sqrt{16}\times\sqrt{15}=4\times\sqrt{15}=4\sqrt{15}\)
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