Compare the radius of circle P (r1 = 10.2 × 10-6) with the radius of circle B (r1 = 0.2 × 10-5).

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Compare the radius of circle P (r<sub>1</sub> = 10.2 × 10<sup>-6</sup>) with the radius of circle B (r<sub>1</sub> = 0.2 × 10<sup>-5</sup>).