The half-life of cesium-137 is 30 years. suppose we have a 170 mg sample.(a) find the mass that remains after t years.(b) how much of the sample remains after 60 years? (round your answer to two decimal ) after how long will only 1 mg remain? (round your answer to one decimal place.)

a triangular prism is a 3 dimensional shape composed of triangles and rectangles. it is made from two triangular bases and three rectangular sides.  

answer: can you give the

step-by-step explanation:

x^3-4x^2+3x-2/x^2+1

step-by-step explanation:

factor the numerator and denominator and cancel the common factors