Element X is a radioactive isotope such that every 40 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 110 grams, how much of the element would remain after 29 years, to the nearest whole number?

the reason why your question keeps getting deleted because this is not a school related question : )

i will answer your question though.

i never tried church's

the answer is d

the answer is in the first quadrant, which make the y-int positive.

since the dots are going down, therefore the correlation is negative

i hope it is right.

21

jk it's 20

step-by-step explanation: