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gogolik [260]
3 years ago
11

What is the product of Seven square root eight times four square root five? Simplify your answer.

Mathematics
2 answers:
Nana76 [90]3 years ago
7 0

Hi

7√8*4√5

= 56√10


I hope that's help and sorry for late answer ^...^

Marina86 [1]3 years ago
5 0

Answer:

The value of expression is:

                          56\sqrt{10}

Step-by-step explanation:

We are asked to simplify the following expression:

product of Seven square root eight times four square root five.

i.e. Mathematically this expression is represented by:

7\sqrt{8}\times 4\sqrt{5}

=7\times 4\times \sqrt{8}\times \sqrt{5}\\\\=28\times \sqrt{8}\times \sqrt{5}

Also we know that:

\sqrt{a}\times \sqrt{b}=\sqrt{ab}

Hence,

\sqrt{8}\times \sqrt{5}=\sqrt{40}=2\sqrt{10}

Hence, The value of expression is:

7\sqrt{8}\times 4\sqrt{5}=56\sqrt{10}

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