mekahlaab mekahlaab

15-05-2019
Chemistry

contestada

A radioactive isotope of radium (Ra-226) has a half life of 1620 years. How much of this isotope remains after three (3) half-lives
1/8
None
1/4
1/2

Respuesta :

Аноним Аноним

15-05-2019

your answer should be “A.”

MARK ME BRAINLIEST PLEASE !!!!!

Answer Link

Otras preguntas

What is the slope of a line that passes through the origin and point (-3 -2) a. 2/3 b. -2/3 c. 3/2 or d. -3/2

To find the amount of space a cube shaped bird cage occupies.find the cube of the measure of one edge of the bird cage.

I need help please!!!!

Which statement describes a characteristic of Sparta’s religion?

This question is about Non-Special Radian Families. It states: Find the family members for the (9π/10) family.

How did the British government tighten control over colonies

|+2|=4 Solve the equation step by step

A scientific law is created when _________________ Congress passes a bill regarding science. a large number of repeated observations can be described. a scienti

The _____ were the first Europeans to encounter North America. A. Vikings B. Spanish C. Portuguese D. Conquistadors

Use the word "falling action" in a sentence.