Mastering Multiplication and Division in Scientific Notation

Ms. Keen explains the multiplication and division of scientific notation. She covers the definition of scientific notation, rules for multiplying and dividing exponents, and provides examples. The video also discusses adjusting results to maintain proper scientific notation format.

What is the correct format for scientific notation?

• a * 10^n

• a - 10^n

• a / 10^n

• a + 10^n

When multiplying exponents with the same base, what should you do with the exponents?

• Divide them

• Add them

• Subtract them

• Multiply them

What is the result of multiplying 2 * 10^5 by 4 * 10^4?

• 6 * 10^10

• 8 * 10^10

• 8 * 10^9

• 6 * 10^9

If the coefficient in scientific notation is greater than 10, what should you do?

• Move the decimal to the right and subtract from the exponent

• Move the decimal to the left and add to the exponent

• Move the decimal to the right and add to the exponent

• Move the decimal to the left and subtract from the exponent

What is the correct scientific notation for 16 * 10^2?

• 1.6 * 10^3

• 16 * 10^2

• 16 * 10^3

• 1.6 * 10^2

When dividing exponents with the same base, what should you do with the exponents?

• Multiply them

• Divide them

• Add them

• Subtract them

What is the result of dividing 4 * 10^5 by 2 * 10^4?

• 2 * 10^5

• 2 * 10^1

• 2 * 10^4

• 2 * 10^9

What is the result of dividing 6 * 10^3 by -2 * 10^5?

• -3 * 10^2

• -3 * 10^-2

• -3 * 10^-3

• -3 * 10^3

If the coefficient in scientific notation is less than 1, what should you do?

• Move the decimal to the left and add to the exponent

• Move the decimal to the right and subtract from the exponent

• Move the decimal to the left and subtract from the exponent

• Move the decimal to the right and add to the exponent

What is the correct scientific notation for 0.25 * 10^-3?

• 0.25 * 10^-4

• 2.5 * 10^-3

• 0.25 * 10^-3

• 2.5 * 10^-4