Sea una sustancia radiactiva se desintegra en forma tal que la cantidad de masa en gramos restantes después de t años está dada por la función : m(t)=24(〖e)〗^(k. t) , si después de 20 años la masa es igual a 6 gramos. Determine la masa luego de 40 años.

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000

Afarm is to be built in the shape of quadrilateral abcd, as shown below. all four sides are equal. a rhombus abcd is shown with diagonal ac equal to 15.5 feet and diagonal bd equal to 13.2 feet. what is the area of the farm? pleas only pick from the 4 below 62 square feet 52.8 square feet 57.4 square feet 102.3 square feet