justmeyasiah justmeyasiah

11-05-2017
Mathematics

contestada

A spill of two gallons of methane occurs in the men's room. Methane has a half life of seven years. How much remains in 20 years

Respuesta :

austinjohnson66 austinjohnson66

11-05-2017

I think the answer is None because half life of seven years means it's full life is 14 years and after 20 years there would not be any left

Answer Link

chasityalinewalker chasityalinewalker

12-05-2017

I think it may be a quarter of it left

Answer Link

Otras preguntas

What is the answer to this? And how do I do it?

Compare and contrast the regional cultures and economies of the English, French, and Spanish areas of control in the Americas. How were they alike, and how were

A small train at an amusement park is carrying passengers. Half of the passengers are 6 years old, 1/10 are 7 years old, 1/5 are 8 years old, and 1/5 are 9 yea

Hurry up guys,........ Its urgent....When is a trial considered to be fair?

You want to study at the Hogwarts School of Witchcraft and Wizardry after five years. You need 800 pieces of muggle-money to study there. You decide to deposit

Summarize the evolution of Valentine’s Day from the Middle Ages to modern day. 4-5 sentences

what is the capital city russia and lativa

Why do non-native plants threaten native plants?

write a rule for how nitrogen bases are arranged in the ladder model of DNA

Why is 4 the correct answer to number 21 ? explain why please and answer this !!