kelliems2396 kelliems2396 18-11-2022 Mathematics Answered Pedro wa aigned to find out how much of 12 gram of radioactive iotope Francium-222 would be left after a period of time. It half-life i 15 minute. How much remained after 50 minute? A. 1. 380 g B. 3. 5979 g C. 1. 1906 g D. 4. 7006 g E. 2. 22133 g