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Mathematics 8 Online
OpenStudy (anonymous):

I need some help with this one What is the product of 7 sqrt(10) * 3 sqrt(5)? Simplify if possible.

OpenStudy (anonymous):

105*sqrt(2)

OpenStudy (anonymous):

Tswar: multiply the outsides: 7 x 3 = 21 Multiply the radicals: sqrt(10) x sqrt (5) = sqrt (50) Sqrt (50) = sqrt (25) x sqrt(2) = 5 sqrt(2)

OpenStudy (anonymous):

so 21 times 5 sqrt (2) = 105 sqrt (2)

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