Mathematicians at the University of Hawaii have tried to approximate the total number of grains of sand on the world's beaches. They calculated 7,500,000,000,000,000,000, or seven quintillion five quadrillion. How is this number expressed in scientific notation?

Q: The speed of light in a vacuum is 299,792,458 meters per second. Which number, written in scientific…

A: 3.0 * 10^8  meters per second.

Q: A sheet of gold foil is 2 • 8x 10^7 of a meter thick.Write the thickness of a gold foil sheet…

A:

Q: In a year, the United States consumes about 146,000,000,000 gallons of gasoline. Express this number…

A:

Q: The first Birds appeared on Earth about 208 000 000 years ago. Write this number in scientific…

A: The given number is: 208000000 There are eight digits after the first digits. Write this number in…

Q: Write in scientific notation: 8,034,000,000.

A: Definition:        "A positive number x is said to be written in scientific notation if it is…

Q: What is the hair measures 7.5x10-4 inches: express this in standard notation? What is 2.5x10-5…

A: What is the hair measures 7.5x10-4 inches: express this in standard notation? What are 2.5x10-5…

Q: The mass of one hydrogen atom is 1.67 x 10-24 gram. Find the mass of 80,000 hydrogen atoms. Express…

A: Given: The mass of one hydrogen atom is 1.67×10-24 gram.  To find: The mass of 80,000 hydrogen…

Q: Write the number in scientific notation 5,210,000,000 ?

A: There are 9 places after 5, so we place a decimal after 5 and then multiply by 109. Note that the…

Q: Earth is 93,000,000 miles away from the sun and has an approximate mass of…

A:

Q: The field of view of a microscope is (4)(10-4) meter. If a single cell organism occupies 1/5 of the…

A: To find the length

Q: What is the pattern between the exponents in the original expression and the exponents in the…

A: Generally the exponents in the original expression is given to solve and simplify using provided…

Q: There are about 10,000 taste buds on a human tongue. Write this number in scientific notation.

A: Given : The number of taste buds on a human tongue is about 10,000

Q: Which is 8,759,000,000 in scientific notation

A: Given 8,759,000,000  We have to write it in scientific notation.

Q: The mass of one oxygen molecule is 5.3 x 10-2 gram. Find the mass of 20,000 molecules of oxygen.…

A: Given:                     1 oxygen molecule ≡ 5.3 ×10-23 gram. Suppose,     20,000 molecules of…

Q: In a state with a population of 9,000,000 people, the average citizen spends $6,000 on housing each…

A: In a state with a population of 9,000,000 people, the average citizen spends $6,000 on housing each…

Q: Write number in scientific notation 34,970,000,000,000 ?

A: Scientific notation is a method of writing very large or very small number in such a way that it is…

Q: The Amazon River is about 6,400 kilometers What is the length written in Scientific Notation

A: Solution

Q: 15. A dress that was $88 last week was reduced by 15% this week. How much does it cost this week?…

A: 15.Cost of the dress last week = $88       Cost reduced by 15%       15%of 88= 15*88/100…

Q: Is the number written correctly in scientific notation? Correct Scientific Notation Number 9) yes…

A: Since we know the scientific notation is m×10n, where m is the real number between 0 and 10. n is…

Q: The doubling time of a population of fruit flies is 8 hours.    By what factor does the population…

A: We have giventime for doubling  the fruit flies population =8 hours

Q: Write the number in scientific notation : 3,590,000

A: Given number is 3590000

Q: The Empire State Building weighs about 7.3x10^8 pounds.The one World Trade Center building weighs…

A: Given: The Empire State Building weighs about 7.3×108 pounds.The one World Trade Center building…

Q: In a particular​ year, the​ world's population was about 7.3 billion people and a​ country's…

A: Given, the​ world's population was about 7.3 billion people and a​ country's population was…

Q: Explain why it is important to understand the base for a number as well as the value.

A: In the standard numerical system, the base is the number which is used to represent the value of the…

Q: When you convert a number from decimal notation to scientific notation, how do you know if the…

A: when you convert a number from decimal notation to scientific notation

Q: Many calculators express very large or very small numbers in scientific notation. If the number 4.32…

A: In scientific notation, all numbers can be written in the form of m×10n

Q: Write number in scientific notation. -0.00000000504

A:

Q: The average red blood cell has a thickness of 0.0000024. Write this number in scientific notation. O…

A: We need to write the following number in scientific notation 0.0000024

Q: rthquake measures 8.1 on the Richter Scale, what is the intensity of this earthquake, relative to a…

A: R = 8.1 IoeR = I Io  = intensity at 0 level . I = intensity at 8.1 level.

Q: As of July 2013, the population of the United States was 3.164 × 108, and the national debt was…

A:

Q: The Amazon River in South America is about 6,400 kilometers long. What is this number in scientific…

A: The scientific notation is away to display very large numbers or very small numbers in a easy way.

Q: write the number 2,650,000,000 in scientific notation.

A:

Q: In scientific notation, which numbers have positive exponents and which havenegative exponents?

A: A positive exponent indicates a large number and a negative exponent indicates a small number that…

Q: How do I put 250 million and 0.25 million in scientific notation?

A:

Q: 742,380.56 mm = ? m show calcuation step by step in both scientific notation and decimal notation.

A:

Q: Write number in scientific notation 0.0000000000802 ?

A: Concept - If we are given a number in decimal form as shown, remove the decimal from the numerator…

Q: (A) the signal from a certain satellite takes approximately 0.061 seconds to reach earth. Write this…

A: Given: The time taken by signal (from a satellite) to reach the earth is 0.061 sec. The surface…

Q: An atoms of gold has a mass of approximately 3.25 x 10‐²² grams. What is the mass of 6000 atoms of…

A:

Q: The exercise involve scientific notation. Write the number 78,250,000,000 in scientific notation.

A: The number in the scientific notation is given as, a×10b Here, a is the integer whose absolute value…

Q: How do you write 300,000 in scientific notation?

A:

Q: write the number in ordinary decimal notation. (1.4)(10-6)

A: Given: The number 1.410-6, To determine: The ordinary decimal notation of the given number.

Q: Express the number in decimal notation. 3.84 x 10° 3.84 x 10°

A:

Q: The world population is approximately 6,900,000,000. How would this number be written in scientific…

A:

Q: The mass of a proton is 1.67 × 10–24 grams. The mass of an electron is 9.11 × 10-28 grams. How many…

A: our objective is to solve the problem.

Q: The exercise involve scientific notation. Write the number 2.08 x 10-8 in decimal notation.

A: scientific notation = 2.08 x 10-8

Q: 15. Earth is 93 million miles from the sun. Saturn is 887 million miles from the sun. How much…

A: As per our guidelines we are supposed to answer only one question. Kindly repost the other question…

Q: 24. If a ream of paper (500 sheets) is 2.125 inches thick, how thick is one sheet of paper? Give…

A: ANSWER :

Q: Write the number in scientific notation -0.00000000405 ?

A: To write a number in scientific notation, we need the decimal after the first non decimal number.

Q: A lab has two bacteria cultures. Culture A contains 8 x 104 bacteria, and culture B contains 4 × 10°…

A: Given that culture A contains 8×104 bacteria. And culture B contains 4×106 bacteria. We will look at…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.