Solve the indicated problem: Identify what is Asked, Representation, Formula, Solution and the Sequence in using the Calculator.  Suppose a culture of 300 bacteria is put in a petri dish and the culture doubles every hour. Approximately, how  many bacteria will there be in 9 hours? A certain radioactive substance decays half of itself every day. Initially, there are 10 grams.  Approximately, how much substance will be left after 8 days? Suppose that the half-life of a certain radioactive substance is 20 days and there are 10 grams initially. Determine the amount of and remaining substance remaining after 75 days .

Q: Upgrading a Class B office space to a Class A space will cost $5,513. How much will the monthly rent…

A: we have to find increase in monthly rent.

Q: -. If one bacteria doubles every 45 mins, how many bacteria will be present after half a day?

A: We will find out the required value.

Q: If $5000 is invested at 6% annual simple interest, how long does it take to be worth $7100

A: Given:      Rate of interest = 6%      Principle  = $5000     simple interest S.I = $7100     Time…

Q: A power company charges one household $0.12 per kilowatt-hour (kWh) and $14.89 in monthly taxes.a.…

A:

Q: A new car is purchased for $26,000 and over time its value depreciates by one half every 7 years.…

A: let P=$26000 n=7 years value A after 7 years =$13000(according to question) by using this formula we…

Q: An element with mass 140 grams decays by 21.6% per minute. How much of the element is remaining…

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Q: Given $25,000 to invest for 26 years at 8.25% interest, how much money would you have if it was…

A: here we use two formulae to solve the above problems      1) for compounded continuously…

Q: Upgrading a Class B office space to a Class A space will cost $8,085. How much will the monthly rent…

A:

Q: A certain culture of bacteria triples in amount every day. If there are 100 bacteria present during…

A:

Q: for january 1, 2001 to january 1, 2008, the population of florida grew from 17 million to 19.3…

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Q: In Westford, the use of landlines has been declining at a rate of 10% every year. If there are…

A:

Q: A pewter bowl is 8 years old, and a silver bowl is 22 years old. In how many years will the silver…

A: Let after x years the silver bowl will be twice the age of the pewter bowl. After x years the age of…

Q: Suppose you wish to save $3,720. If you have $3,000 and invest it at 8% simple interest, how long…

A:

Q: Express the repeating decimal as a fraction. 0.2513 23 23 23...

A:

Q: A particular car is said to depreciate 15% each year. If the car new was valued at $20,000, what…

A:

Q: 1. If 25% of a radioactive substance disappeared in 10 years, how long did it take for 60% of the…

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Q: Suppose you save $1 the first day of a month, $2 the second day, $4 the third day, and so on. That…

A:

Q: Suppose that a particular TV depreciates 60% in value each year and has an original cost of $720. In…

A: The answer is given below:

Q: A new car is purchased for $42,000 and over time its value depreciates by one half every 7 years.…

A: According to the given information it is required to find the time it will take for the amount…

Q: Express the repeating decimal as a fraction.

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Q: Suppose that in any given year the number of cases can be reduced by 25% instead of 20%. a. How long…

A: Hey the given problem is solved by considering the initial number of cases to be 10000.

Q: Suppose you are offered a job with a relatively low starting salary but with a $1000 raise for each…

A: Let the starting salary be 'a', so is the 1st term.The salary is increasing by $1000. so the…

Q: what is their combined wealth after five years?

A:

Q: There are 10,000 residents in Recluse, Alabama. For the last 10 years, the population has decreased…

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Q: If the population of a small city is 35,000. If the immigration laws allow population to grow by…

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Q: Assume that a car loses 10% of the value it had at the beginning of the year. Find its value at the…

A: Given the initial value of the car at the start of the year is $30,000. The car loses 10% of the…

Q: 4. Aaron is 5 years younger than Ron. Four years later, Ron will be twice as old as Aaron. Find…

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Q: How many years will it take a $766 investment to be worth $1,123 if it continuously compound at 6%…

A: Given Data: The initial investment is: P=$766 The final worth is:Pt=$1123 The continuously…

Q: Express the repeating decimal as a fraction in lowest terms.

A: 0.257=0.257257257.....          =0.257+0.000257+0.000000257+.......…

Q: Express the repeating decimal as a fraction. 0.2513 23 23 23..

A: We can express the given repeating decimal as fraction as below.

Q: If 25% of a radioactive substance disappeared in 10 years, how long did it take for 60% of the…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: If 12g of a radioactive substance are present initially and 9yr later only 6g​ remain, how much of…

A: As half the amount of the radioactive substance left after 9 years, thus it is clear that half-life…

Q: Suppose that a certain radioactive substance has a halflife of 22 years. If there are presently 6855…

A:

Q: Perform what is asked. 1. Ifa certain country has a population of about 30,000,000 people and a…

A: Since you have posted a multiple  question according to guildlines I will solve first   question…

Q: 7. A deadly bacteria doubles in size every 3 hours. If there were initially 14 spores present, how…

A: Let P(t) be the population of bacteria after t hours. To obtain P(t), substitute 14 for P0 in the…

Q: Suppose you save​ $1 the first day of a​ month, $2 the second​ day, $4 the third​ day, and so on.…

A:

Q: An element with mass 820 grams decays by 26.8% per minute. How much of the element is remaining…

A: We have to use exponential decay function to solve the problem

Q: Suppose you save $1 the first day of a month, $2 the second day, $4 the third day, and so on. That…

A: First day saving=$1 Second day saving= $2 Third day saving=$4 We can write the above in power of 2…

Q: Suppose you are offered a job with a relatively low starting salary but with a $3000 raise for each…

A: Given  $3000 raise for each of the next 9 years

Q: A city's population is currently 35,000 and is growing by 1.1% each year. If this continues, in how…

A:

Q: if 12500 is invested at 6% from january 1, year 1, how much money accumulated until january 1 , year…

A:

Q: If $800,000 is invested at simple interest at a rate of 6%, calculate the total amount after 5 years

A:

Q: Suppose that a particular TV depreciates 40% in value each year and has an original cost of $650. In…

A:

Q: If the population of a small city is 55,000. If the immigration laws allow population to grow by…

A: Let's say P represents the population and t represents the time in year.Hence, dP / dt = 900Hence,…

Q: If you invest $6,000 in an account that pays 15 percent simple interest per year, how long before…

A: Given - Principal = $6000 Rate= 15% Amount = 2* principal

Q: How much should be invested at 9% to have $1100 at the end of 5.5 years?

A: Topic:- algebra

Q: A new car is purchased for \$41,000$41,000 and over time its value depreciates by one half every 3…

A:

Q: Suppose that you have 5000$ in your bank account and each month you withdraw 14% of the money left…

A: I withdraw 14% of the money every month.  So at the end of every month, there is (1-0.14)=0.86 of…

Q: If a new car costs $25,000 and depreciates at a rate of 16% per year, what will be the value of the…

A: We know that, if a depreciation of r% per year is applied over an amount P for n years, then the…