Scientific Notation and Population Comparison

The video tutorial explains how to compare the populations of Texas and North Dakota using scientific notation. It begins by introducing the population figures and explains the concept of scientific notation. The tutorial then demonstrates how to convert numbers to standard form and calculate the population difference using subtraction. Finally, it shows how to convert the result back into scientific notation.

In 2012, what was the approximate population of Texas?

• 69 million

• 6.9 million

• 26 million

• 2.6 million

What does the expression 6.9 * 10^4 represent in standard form?

• 690,000

• 690

• 69,000

• 6,900

How many decimal places do you move to convert 6.9 * 10^4 to standard form?

• Five

• Four

• Three

• Two

What operation is used to find the difference in population between Texas and North Dakota?

• Subtraction

• Division

• Multiplication

• Addition

What is the population difference between Texas and North Dakota in standard form?

• 25,931

• 25,931,000

• 2,593,100

• 259,310

How do you convert a number to scientific notation?

• Move the decimal until there is one digit to the left

• Add zeros to the end

• Multiply by 10

• Divide by 10

What is the scientific notation for 25,931,000?

• 25.931 * 10^6

• 25.931 * 10^7

• 2.5931 * 10^7

• 2.5931 * 10^6

How many times do you move the decimal to convert 25,931,000 to scientific notation?

• Seven

• Six

• Eight

• Five

What is the correct scientific notation for the population difference calculated?

• 2.5931 * 10^6

• 25.931 * 10^7

• 2.5931 * 10^7

• 25.931 * 10^6