Question

raiz quadrada de 400 e de 900

Answer 1

20 & 30 Acho kkk
20x20=400

30x30=900

Answer 2

Resp.:

a) √400 = 20

b)√900 = 30


Cálculos:
a)

400: 2
200: 2
100: 2
50: 2
25: 5
5: 5
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1   =    2⁴.5² = √16.√25 = 4.5 = 20

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b)

900: 2
450: 2
225: 3
75: 3
25: 5
5: 5
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1   = 2².3².5² = √2².√3².√5² = 2.3.5 = 6.5 = 30