Mathematics
Mathematics, 17.07.2019 19:30, deidrabenson72331

Suppose a laboratory has a 38 g sample of polonium-210. the half-life of polonium-210 is about 138 days. how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9 ; 0.07 g 8 ; 2,2622 g 8 ; 4.75 g 8 ; 0.15 g

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 14:30, hxmiltrxshh
Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the
Answers: 3
image
Mathematics, 21.06.2019 17:00, figueroajorge8291
Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?
Answers: 1
image
Mathematics, 21.06.2019 22:30, tmrsavage02p7cj16
Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.
Answers: 1
image
Mathematics, 21.06.2019 22:30, lekepius3715
Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14
Answers: 1
Do you know the correct answer?
Suppose a laboratory has a 38 g sample of polonium-210. the half-life of polonium-210 is about 138 d...

Questions in other subjects:

Konu
Mathematics, 08.12.2020 01:00