Mathematics, 01.02.2021 06:20 martinezkimberly706
Element X is a radioactive isotope such that every 69 years, its mass decreases by
half. Given that the initial mass of a sample of Element X is 20 grams, how much of
the element would remain after 30 years, to the nearest whole number?
Answers: 3
Mathematics, 21.06.2019 14:30
What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm
Answers: 1
Mathematics, 21.06.2019 16:30
Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.
Answers: 3
Element X is a radioactive isotope such that every 69 years, its mass decreases by
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