Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. strontium-90 is a radioactive material that decays

Strontium-90 is a radioactive material that decays according to the function A(t) = A e...

90.2K

Verified Solution

Question

Basic Math

image

Strontium-90 is a radioactive material that decays according to the function A(t) = A e ^-0.0244t, where Ao is the initial amount present and A is the amount present at time t (in years). Assume that a scientist has a sample of 400 grams of strontium-90.(a) What is the decay rate of strontium-90?(b) How much strontium-90 is left after 10 years?(c) When will only 100 grams of strontium-90 be left?(d) What is the half-life of strontium-90?(a) The decay rate of strontium-90 is (Type an integer or a decimal. Include the negative sign for the decay rate.)(b) Approximately ___grams of strontium-90 left after 10 years.(Do not round until the final answer. Then round to the nearest whole number as needed.)(c) Only 100 grams of strontium-90 will be left in about ____years.(Do not round until the final answer. Then round to the nearest tenth as needed.)

Answer & Explanation Solved by verified expert
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

9 Describe what is involved in planning an estate

Basic Math
Q

Weights of 50 babies at birth. Write at least a 1-Page Report Open a Word Document Introduction--Provide...

Statistics
Q

Consider the following data for a dependent variable y and two independent variables, x1 and x2. x1 x2 y 30 12 95 47 10 108 25 17 112 51 16 178 40 5 94 51 19 175 74 7 170 36 12 117 59 13 142 76 16 212 The...

Basic Math
Q

What are the physical barriers which act to maintain the epithelial barrier to microorganisms in the...

Medical Sciences
Q

If you start with 3.0×10^10 I−131 atoms, how many are left after approximately 1month? I−131 has...

Chemistry
Q

It is required to maintain the air in a building at 20oC and 40% saturation when...

Mechanical Engineering
Q

The Accounts Receivable balance for River Corporation is $400,000 as of January 31, 2020. Before calculating...

Accounting
Q

A body moving at 2 m s can be stopped over a distance x If...

Physics
Q

How many ways are there to select three math help websites from a list that...

Algebra
Q

Fogerty Company makes two products-titanium Hubs and Sprockets. Data regarding the two...

Accounting
Q

Question 1) First Bank pays 3 percent simple interest on its...

Accounting
Q

$13,080 2,000 11,700 2,310 $24,470 s 1,200 7,250 3,200 11,000 Cash (2,200) Total Assets Accounts...

Accounting