lisapressley2001 lisapressley2001

27-12-2016
Mathematics

contestada

Which of the following is equivalent to √-80?
A. -4i√5
B. 16i√5
C. 4i√5
D. 2i√5

Respuesta :

Аноним Аноним

27-12-2016

80 = 16 * 5
sqrt 16 = 4
sqrt-1 = i
so the correct answer is
4i sqrt5

C

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