Mathematics, 27.05.2021 04:10 pizarroisaid

Element X is a radioactive isotope such that every sixty nine 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: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:30, jahnoibenjamin

Evaluate cos2θ for cosθ = square root of 3/2

Answers: 1

continue

Mathematics, 21.06.2019 21:20, Hazard970

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°

Answers: 2

continue

Mathematics, 21.06.2019 22:00, breannaasmith1122

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

Answers: 1

continue

Mathematics, 21.06.2019 22:00, YoungTadoe437

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr

Answers: 3

continue

You know the right answer?

Element X is a radioactive isotope such that every sixty nine years, its mass decreases by half. Giv...

Questions in other subjects:

English, 10.12.2020 02:20

5. Which statement best explains the influence of the historical and social context on the plot? Historical Context: In the society of the mid-1800s, women were expect...

History, 10.12.2020 02:20

Which two ways did Rome adapt to its geography to expand its power to the entire Mediterranean world? A).Created air travel so they didn’t have to deal with the rugged terrain

Chemistry, 10.12.2020 02:20

I NEED HELP ASAP Two different atoms have six protons each and the same mass. However, one has a negative charge while the other has a positive charge. Describe what each atomic s...

Health, 10.12.2020 02:20

11. Which of the following occurs when braking shifts the weight of the vehicle from the rear to the front? A Impeding skid marks B. Rear wheel skid marks C. Off...

Mathematics, 10.12.2020 02:20

if you have 2cats each cat has a litter of k kittens write an expression describing the total number of cats and kittens you have?...

Mathematics, 10.12.2020 02:20

Which statement is true? Triangular pyramids and triangular prisms have the same number of faces. Triangular prisms and rectangular prisms have the same number of bases. Cubes and...

History, 10.12.2020 02:20

What impact did the spoils system have on American government? The spoils system was debated long after Jackson’s presidency had ended. The spoils system had little effect because...

Mathematics, 10.12.2020 02:20

8. Find the rate of change for the set of data provided in the image below. * 2 points 2/3 3/2 3 2

Mathematics, 10.12.2020 02:20

A small plane leaves a...

Biology, 10.12.2020 02:20

Por qué es importante el uso de la notación científica en física? *...

More questions: Mathematics Another questions