ayerskaleigh ayerskaleigh

03-12-2020
Mathematics

contestada

You have 2,112 grams of a radioactive kind of mercury. How much will be left after 188 days if it's half-life is 47 days?

Respuesta :

mhanifa mhanifa

12-12-2020

Answer:

132 g

Step-by-step explanation:

Initial amount = 2112 g
Time = 188 days
Half-life = 47 days

188 days / 47 days = 4 periods

Mercury left after 188 days:

2112 * (1/2)^4 =
2112* 1/16 =
2112/16 =
132 g

Answer Link

Otras preguntas

Spanish- plz help me with this

What is the side length of a cube that has a volume of 729 cubic inches? 9 inches 7 inches 8 inches 10 inches

For each of the following items, indicate by using the appropriate code letter, how the item should be reported in the statement of cash flows, using the direct

what is the area of a circle with a radius of 1 foot?

— 9x — 5y = — 184х + 5y = 33

According to Jefferson, what happens when people are punished for what they think? A)more people are thrown into jail B) God grows angry C) people become mean a

Find the value of x. thx

Find the complete solution of the linear system, or show that it is inconsistent. x + y + z = 8 x + 3y + 3z = 16 2x + y − z = 10

what type of movement is a forked caudal fin best for?

What is an equation of the line that passes through the points (-7, -7) and(-5, -3)?