Jon1024 Jon1024

02-12-2016
Biology

contestada

a substance has a half-life of 100,000 years and an initial mass of 1,000 grams. how many years will pass before only 250 grams of the substances parent material is left?

Respuesta :

Pandalee Pandalee

02-12-2016

I`ll take a gander and say 200,000 years

Answer Link

Otras preguntas

How many $0.21 pencils can be purchased for $7.00? Show your work.

how did the constitution fix the problems for no executive branch?

what is the balanced chemical equation for caffeine?

Pentane, C5H12, will react as shown below: ____C5H12(l) + ____O2 --- ______CO2 +_______ H2O H20(g) 1. Balance the equation above by putting coefficients into ea

does 20 hundredths equal 2 thousandths

what is the theory that tax cuts can raise supply called

Cory's average score after 8 tests is 91%. If he gets a 78% on his 9th test what will his new average be? How do i figure out this problem?

Solve each compound Inequality. 42. -2 ≤ d + 1/2 < 4 1/2 44. 2t ≤ -4 or 7t ≥ 49 46. -1 ≤ a - 3 ≤ 2 48. A town's high temperature for a given month is 88 degr

-2 (x-7)=-(2x+5) solve for x

how does art inspire some people