Scientific Notation and Operations

The video tutorial covers scientific word problems, focusing on multiplication and division with exponents. It begins with a review of multiplication, followed by a division warm-up. The tutorial then addresses word problems involving the diameter of planets and population comparisons, emphasizing the use of scientific notation and the importance of exponents in determining the size of numbers.

What is the result of multiplying -3 by 4?

• 12

• -12

• 7

• -7

How do you express 96 in scientific notation?

• 96 x 10^1

• 96 x 10^0

• 9.6 x 10^2

• 9.6 x 10^1

When dividing 8 x 10^3 by 2 x 10^2, what is the result?

• 4 x 10^1

• 4 x 10^2

• 8 x 10^1

• 8 x 10^2

If Planet Beta is 12 times larger than Planet Alpha, which operation should you use to find Beta's size?

• Division

• Multiplication

• Subtraction

• Addition

What is the scientific notation for 96 x 10^3?

• 96 x 10^3

• 96 x 10^4

• 9.6 x 10^3

• 9.6 x 10^4

If Orange City is 12 times larger than Appletown, which operation should you use to find Appletown's population?

• Addition

• Subtraction

• Multiplication

• Division

What is the result of dividing 7 x 10^7 by 1.2?

• 5.83 x 10^6

• 5.83 x 10^7

• 7 x 10^6

• 7 x 10^7

How do you express 0.583 in scientific notation?

• 5.83 x 10^-1

• 5.83 x 10^0

• 5.83 x 10^1

• 5.83 x 10^2

What is the exponent rule for division in scientific notation?

• Divide the exponents

• Multiply the exponents

• Subtract the exponents

• Add the exponents

Which number is larger: 2 x 10^7 or 9 x 10^3?

• 2 x 10^7

• Cannot be determined

• They are equal

• 9 x 10^3