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5 votes
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User Kim Ras
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2 Answers

3 votes

Answer:

The last one

Explanation:

0.004*.004=0.0016 and k*-K=K squared

User Roie
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5 votes
The answer is the third option, because (k-0.4)(k+0.4) = k^2 - (1/25)^2 and (1/25)^2 = 0.0016.
User Jjramsey
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