bmmaskel bmmaskel

15-06-2017
Biology

contestada

After three half-lives, a sample contains 20 grams of parent isotopes. How many grams of the parent isotope were present to start?

Respuesta :

PastelBeauty29 PastelBeauty29

15-06-2017

It would contain 80 grams I believe

Answer Link

Otras preguntas

how do I solve this

Which graph represents the solutions to the inequality |2x − 6| less than or equal to 10?

Explain why the plant cell swells up when the cell is placed in water

Which bases are found in strands of dna

English English 11 Unit 4 Unit Test Connectiions academy please help Match the letter of the author with his or her description. Not all letters will be used.

HELP ME PLSSS Why did Palestinian militants launch a second intifada? The PLO had expressed a willingness to negotiate. Hamas was opposed to any attempt at a p

The statrum ____________ is a single layer of columnar or high cuboidal cells resting on a basement membrane. the stratum ____________ is composed of many layer

A fish that normally lives in salty water is placed in a tank containing fresh water. What do you think will happen to the cells of the fish?

I need help on this question⁉️‼️

how might the word 'culture' mean diffrent things to diffrent people ?