Mathematics, 26.02.2021 01:30 winterblanco
A radioactive substance decays exponentially. A scientist begins with 140 milligrams of a radioactive substance. After 13 hours, 70 mg of the substance remains. How many milligrams will remain after 18 hours?
Answers: 2
Mathematics, 21.06.2019 17:30, markkessler7149
It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest
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Mathematics, 22.06.2019 03:00, kevinhill185
Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.
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