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PLEASE HELP I NEEED HELP ASAP
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2 votes
PLEASE HELP I NEEED HELP ASAP

PLEASE HELP I NEEED HELP ASAP-example-1
User Iamjoosy
by
4.7k points

1 Answer

1 vote

Answer:

B

Explanation:

Using the rule of radicals


√(a) ×
√(b) ⇔
√(ab) and


√(-1) = i

Given


√(-80)

=
√(16(5)(-1))

=
√(16) ×
√(5) ×
√(-1)

= 4 ×
√(5) × i

= 4i
√(5) → B

User Iain Duncan
by
5.3k points
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