Mathematics, 04.06.2020 03:57 loudermilkb117

Radon-219 has a half-life of about 4 s. After 20 s, how many milligrams of a 500 mg sample will remain?

435.3 mg

211.6 mg

31.3 mg

15.6 mg

Help please I’ll make you the brainliest if right

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 18:30

If 3x+8=3x+8 is it one solution or no solution

Answers: 1

Answer

Mathematics, 21.06.2019 19:00

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Answers: 1

Answer

Mathematics, 22.06.2019 02:00

Bag a contains 3 white marveled and 2 marbles bag b contains 6 white marbles and 3 red marbles a person draws one marbles from each bag find the probability that both marbles are white

Answers: 1

Answer

Mathematics, 22.06.2019 05:00

Find two numbers if their ratio is 4: 7 and their difference is 123.

Answers: 1

Answer

You know the right answer?

Radon-219 has a half-life of about 4 s. After 20 s, how many milligrams of a 500 mg sample will rem...

Questions

Mathematics, 10.11.2020 20:00

Yall wants points? Well here ya go Whats 2+2?...

History, 10.11.2020 20:00

What determines a state's number of representatvies? pls help i will mark brainilest it's size in land it's population each s...

Mathematics, 10.11.2020 20:00

What is the equation for the sentence...

Business, 10.11.2020 20:00

Write a whole number between 1 and 10, and then write its reciprocal....

History, 10.11.2020 20:00

Be my friend type friend in comments...

Mathematics, 10.11.2020 20:00

Gabe invested $350 in baseball cards. If he lost d dollars when he sold the cards, which expression represents the amount of money he received for his...

English, 10.11.2020 20:00

Join my zoom meeting im bored and want new friends lol Meeting ID: 635 384 3408 Passcode: WX9mcG...

Mathematics, 10.11.2020 20:00

The RATIO of the lengths of two corresponding sides of two similar polygons is called the...

Mathematics, 10.11.2020 20:00

a rectangle has a length of x3y4 inches a width of xy7 inches. wich expression represents the ratio of the length of the rectangle to the width of the...

Biology, 10.11.2020 20:00

List three places fertilizer goes after it’s spread in the fields?...

Biology, 10.11.2020 20:00

Urinary system quiz Hey! I would really like some help with this if someone wouldn’t mind helping, I’ve tried looking it up but the internet isn’t mu...

History, 10.11.2020 20:00

60% of Americans feel helpless to act during a cardiac arrest. True False...

Mathematics, 10.11.2020 20:00

Write 305,000 in expanded form. i will give u brainliest

English, 10.11.2020 20:00

What does it mean to default on a loan?...

Mathematics, 10.11.2020 20:00

pablos pizza shop made a profit of $495 each day for 12 days. what is the total profit for all 12 days...

English, 10.11.2020 20:00

This week we have read various articles and sources in relation to the Indian Removal Act. These pieces of literature give us but a glimpse in how Na...

Mathematics, 10.11.2020 20:00

I hate when you work rlly hard on an answer, and then when you post it they just say thanks and don't mark you brainiest...

Mathematics, 10.11.2020 20:00

What is the second step when evaluating the expression 18 = (24 – 18) + 3 – 1? 18 + 6 СО 24 - 18 -18 + 3 O 3-1...

Mathematics, 10.11.2020 20:00

L-7l-5 what is the answer...

Mathematics, 10.11.2020 20:00

Vanessa and Zack are playing a game where the player with the lower score wins. At the end of the game, Vanessa has a score of Negative 3 and StartFra...

More questions: Mathematics Another questions

Radon-219 has a half-life of about 4 s. After 20 s, how many milligrams of a 500 mg sample will remain? 435.3 mg 211.6 mg 31.3 mg 15.6 mg Help please I’ll make you the brainliest if right

Answers

Another question on Mathematics

Radon-219 has a half-life of about 4 s. After 20 s, how many milligrams of a 500 mg sample will remain?

435.3 mg

211.6 mg

31.3 mg

15.6 mg

Help please I’ll make you the brainliest if right