Question

2) The numbers 67.831405 and 0.01234 have scientific representations:

67.831405 = x×10a and 0.01234 = y ×10b. Then the point (a,b) lies on a circle

(A) x2 + y2 − 2x + 4y − 5 = 0 (B) x2 + y2 − 4x + 4y + 5 = 0 (C) x2 + y2 − 2x + 4y + 5 = 0 (D) x2 + y2 − 2x + 2y − 5 = 0​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

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