5.6 mCi would be equal to _____ . A)3.7 × 10¹⁰ disintegrations\sec B)2.1 × 10¹¹ disintegrations\sec C)2.1 × 10⁸ disintegrations\sec D)1.5 × 10^-13 disintegrations\sec

Question

Quizplus · Accepted Answer

1 mCi (millicurie) is equal to 3.7 × 10^7 disintegrations per second. Therefore, 5.6 mCi is equal to 5.6 × 3.7 × 10^7 = 2.072 × 10^8 disintegrations per second, which is approximately 2.1 × 10^8 disintegrations per second.

5.6 MCi Would Be Equal to _____