Mathematics, 23.03.2020 06:05 jordenlehman
Janice needs to have a gastro-intestinal study. So she is given 375 mg of radiocontrast dye containg Barium-142. The half-life of Ba-142 is 10.6 minutes and its decay is followed by x-ray. After one half-life, of Ba-142 remains. After 31.8 minutes, of Ba-142 remains. After half-lives, 11.7 mg of Ba-142 remains. After minutes, 0.366 mg of Ba-142 remains. Finally, after approximately 3.5 hours - half-lives, only 0.000358 mg remains. The dye is no longer visible to the x-ray and Janice's study is over.
Answers: 3
Mathematics, 21.06.2019 12:50
The table shows a pattern of exponents. what is the pattern as the exponents decrease?
Answers: 3
Mathematics, 21.06.2019 18:00
Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. how many pounds of vegetables were not on sale? 98 points : )
Answers: 2
Mathematics, 21.06.2019 19:30
At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase
Answers: 1
Janice needs to have a gastro-intestinal study. So she is given 375 mg of radiocontrast dye containg...
Mathematics, 20.09.2020 05:01
English, 20.09.2020 05:01
Mathematics, 20.09.2020 05:01
Mathematics, 20.09.2020 05:01
Health, 20.09.2020 05:01
Business, 20.09.2020 05:01
English, 20.09.2020 05:01
Chemistry, 20.09.2020 05:01
Mathematics, 20.09.2020 05:01