A radioactive substance decays exponentially. A scientist begins with 180 milligrams of a radioactive substance. After 30 hours, 90 mg of the substance remains. How many milligrams will remain after 48 hours? mg Give your answer accurate to at least one decimal place Check Answer

Q: During each hour, an exhaust fan removes 15.0% of the carbon dioxide present in the air in a room at…

A: Solution :  Given that  Decreasing rate  r = 15.0% = 15/100 = 0.15  Number of hours  n = 10.0 hours

Q: A puddle measures 1 inch deep. A rainstorm comes through and the puddle depth increases by 15% every…

A: topic- exponential function

Q: Calculate the number of kilowatt-hours (kW-hrs) consumed in two days by a 260-Watt incandescent…

A:

Q: Sunlight is a mixture of all colors. When sunlight passes through water, the water absorbs different…

A: Given- Sunlight is a mixture of all colors. When sunlight passes through water, the water absorbs…

Q: There are 400 rice weevils at the beginning of an insect study. The population is expected to grow…

A: In this question we are given with population of rice weevils and we also given with increase in…

Q: When water is released from the Kinzua Dam it is released gradually. The water level in Kinzua…

A:

Q: The population of a city is growing by 13% per year. Find the doubling time. Round your answer to…

A: We have to find the time for which the population is doubled. Given information r=13% Let original…

Q: A population grows at a rate of 18% each week. After how many weeks will this population double?…

A: as per guidelines, we will solve the first question only. Let P(t) denotes the population after t…

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.