What is sqrt(20)sqrt(8) ?

The solution to sqrt(20)sqrt(8) is 4sqrt(10)

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simplify sqrt(20)sqrt(8)

simplify

208

410

Decimal Notation

12.64911 \dots

Solution steps

208

20 = 25

= 258

8 = 22

= 25 \cdot 22

Apply radical rule:

a b = ab, a \geq 0, b \geq 0

52 = 5 \cdot 2

= 2 5 \cdot 2 \cdot 2

Multiply the numbers:

5 \cdot 2 = 10

= 210 \cdot 2

Multiply the numbers:

2 \cdot 2 = 4

= 410

(- 6 p + 7) - 4

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- 1 \cdot (- 8)

9 x^{- 2}

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