Question

√20 x √80=

1 point

a). 1600

(b). 80√2

(c). 40

(d). 20√8

​

Answer 1

Answer:

c) 40

Step-by-step explanation:

√20×√80

= √1600

= 40...

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Answer 2

Answer:

(c). 40

Step-by-step explanation:

√20 x √80 = 2√5 x 4√5

Now it is easy to solve,

= 2 x 4 x 5. = 40

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