Element X is a radioactive isotope such that every 16 years, its mass decreases by half, Given that the initial mass of a sample of Element X is 5900 grams, how much of the
element would remain after 27 years, to the nearest whole number?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

The table shown below gives the approximate enrollment at the university of michigan every fifty years. how many more students were enrolled at the university of michigan in 1950 than in 1900?