granatohannah9735 granatohannah9735

15-11-2022
Chemistry

contestada

the half-life of radium-226 is 1590 years. if a sample contains 200 mg, how many mg will remain after 2000 years?

Respuesta :

Otras preguntas

A rectangular poster is 2/3 meter long and 1/2 meter wide. What is the area of the poster in sqaure meters?

nature of roots the determining 2x²-13x+15=0

which value of y makes the inequality 3y^2+2(y-5) is greater than 8 true? a. y=0 b. y= -1 c. y= -2 d. y= -3

A triangle has one angle that measures 19 degrees, one angle that measures 40 degrees, and one angle that measures 121 degrees. What kind of triangle is it? A

What was the original purpose of the Constitutional Convention?

17. Tell about how mothers with a child who has special needs are affected by the stress they experience..." • Your answer

Pls help I’m being timed

plz hurrySelect the paragraph that effectively combines relevant details; precise, domain-specific vocabulary; clear transitions; and formal style.A. Killer wha

One last question WHO LOVES CHIPOTLE Wassup POV: You're still scrolling I'm not a magician or something like that but i know you are still scrolling Bro you sti

A random sample of size 16 is to be taken from a normal population having mean of 100 andvariance 4. What is the 90th percentile of the distribution of x?