Question

Multiply 8✓5 by 4✓2
According To 9th grade​

Answer 1

Answer:

Hi

I am also in class 9

Step-by-step explanation:

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$\large \rm = \: 8\sqrt{5} \: \times \: 4 \sqrt{2}$

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• To find it Multiply Under root with under root and number with number

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$\large \implies \rm \: 8 \times 4 \times \sqrt{5} \times \sqrt{2}$

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$\boxed{ \large = \rm \: 32 \sqrt{10} }$

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$\large = \rm \: 32 + 3.16$

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= 35.16 (till two decimal places)