Mathematics, 23.01.2021 02:40, batmanmarie2004
I need help Element X is a radioactive isotope such that every 27 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 7900 grams, how much of the element would remain after 12 years, to the nearest whole number?
Answers: 2
Mathematics, 21.06.2019 14:00, zahriamarie10
Match each expression with its simplified form.
Answers: 1
Mathematics, 21.06.2019 19:00, hbstanley3
You and a friend went to the movies. you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?
Answers: 1
Mathematics, 21.06.2019 19:00, ethangeibel93
In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class
Answers: 1
I need help
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