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A 120 mg sample of technetium-99m is used for a diagnostic test. If technetium-99m has a half-life of 6.0 h, how many milligrams of the technetium-99m sample remains active 23 h after the test?
answered Dec 19, 2023
16 votes
118k views
Hi it’s RoseI’m having trouble on this problem from my prep guide, need help solving it
answered Dec 10, 2023
19 votes
55.0k views
55% of the cookies joel baked had chocolate chips. If joel baked 77 cookies with chocolate chips, how many total cookies did he bake?
answered Dec 2, 2023
20 votes
459k views
A pet store has 12 puppies, including 5 poodles, 3 terriers, and 4 retrievers. If Rebacka and Aaron, in that order, each select one puppy at random with replacement (they may both select the same one)
answered Jul 31, 2023
22 votes
420k views
Balance the following chemical equation by providing the correct coefficients: [ ]CO+[ ]H2 -> [ ]H2O + [ ]CH4 Carbon Monoxide + Hydrogen gas yields water + methane (CH4)
answered Jan 2, 2023
24 votes
519k views
Insert one term between -13 and -119 to create an arithmetic sequence of three terms.
answered Aug 31, 2022
16 votes
243k views
Our essay about Country nepaal​
answered Aug 19, 2022
14 votes
14.6k views
Synthetic division. (X^3+5x^2-x-9)+{x+2
answered Mar 2, 2022
9 votes
5.1k views
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