You have 80 grams of a radioactive kind of cesium. how much will be left after 4 years if its half-life is 2 years?

80 expired grams

Step-by-step explanation:

if 1/2 life is 2 years

after 4 years

they are expired

hi friend

here is your answer

there are two angles that are alternate interior angle with angle 9

the angle 15 and angle 7 are alternate interior angle with angle 9.

hope it is for you so mark my answer as a brainliest

the one that has a slope of 1/2 and is positive.

step-by-step explanation: 2 buckets 1 trip ; 4 buckets 2 trips and so on.