Typically, 1 mg of oral biomass contains about 100 million microbes. By multiplying the number of microbes in 1 mg by 20, we get the total number of microbes in the entire oral cavity. 1/ What is the total number of microbes in the entire oral cavity? Write it in scientific notation. 2/ Assume we look at 0.1% of this microbiome. (a) How many microorganisms are we studying? (b) Assume we study each microbe for 1 minute. Could we study this portion of the microbiome in a lifetime? (c) What percent of the mouth microobiome could someone study if they work non-stop for 50 years, 1 minute per microbe?

Q: za_2 for the 99% C.I.

A: The value of zα/2 for the 99% confidence interval is 2.58 and it is obtained below:

Q: Divide 36 into two parts in such a way that 1/5 of one part is equal to 1/7 of the other.

A:

Q: A coral reef grows 0.14 every week. How much does it grow in 15 weeks

A: Definition used -                Multiplication theory - When any quantity is increasing by a…

Q: A client is instructed to take 1 1/2 (one and one half) teaspoons of a cough syrup three (3) times a…

A: Consider the given information:

Q: 1/5 of a class study english and 3/5 study math. If the class consists of 80 students, how many…

A: In this question we need to find out how many students study English and math in the class. total…

Q: 4/5 divided by 2/3 =

A: Given that: 4/5 divided by 2/3

Q: The population of a city decreases by 3.4% per year. If this year’s population is 204,000 what will…

A:

Q: You have 1/5 of a pizza left over from your pool party. If you sent 1/2 of the leftover pizza home…

A:

Q: One month is what percentage of a year, given that there are 7 days in a week, 4 weeks in a months…

A: One month is what percentage of a year,  given that there are 7 days in a week, 4 weeks in a months…

Q: The number of unemployed people in the month of July was 23,876. In August that figure decreased by…

A: Given the number of unemployed people in the month of July was 23,876. And in August that figure…

Q: If you consume 1000 calories per day and burn off 900 calories per day, how many calories do you…

A: I burn off 900 calories per day and consume 1000 calories per day. So, per day my calories gain =…

Q: ccm 56 19 It is estimated that each guest at a party will eat 5/8 pounds of chocolates. How many…

A: Step 1:(Handwritten)Step 2:( Same answer in typed format)Number of guest that can be served is: N…

Q: Indiana's population has increased by 9.5% since 2000, when it was about 6 million people. What is…

A: In 2000 population of Indiana's be 6 million people. That is there are about  6,000,000 people  at…

Q: A tip jar at a coffee shop contains three times as many quarters as dollar bills. It has $8.75 in…

A: In the tip Jar: Number of dollar coins=xNumber of quarters coins=3xtotal money…

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: Martha's daughter is 1/4 Martha's age. If Martha's daughter is 12 years old, how old is Martha?

A: Martha is 48 year old.   The detailed solution is as follows below:

Q: If an object lose 45% of its value over 5 years, what percent of it's value does it lose over one…

A: Let it loosed x of its value over one year So, after 5 years it will be (1-x)5 of the initial value.…

Q: Number 6.12

A: From part (6.11), Let x be the random variable denote that the amount of snow fall between 1 inch…

Q: The results of this program are shown in the following table. The population change is the number of…

A: Calculation: Year Wolf population Deer birth (1) Predation (2) Starvation (3) No. of deaths…

Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.