What is Scientific Notation?

The video tutorial explains the concept of powers of 10, focusing on their base and exponent. It discusses the importance of significant figures in scientific notation, emphasizing that a number must have one significant figure to the left of the decimal point. The tutorial outlines the criteria for a number to be in scientific notation and provides examples and non-examples to illustrate these concepts.

What is the base number used in a power of 10?

• 1000

• 10

• 100

• 5

Which of the following is a requirement for a number to be in scientific notation?

• It must be greater than 10.

• It must have one significant figure to the left of the decimal.

• It must have two significant figures to the left of the decimal.

• It must be less than 1.

Why is the number 0 not considered significant in scientific notation?

• Because it is greater than 10.

• Because it is less than 1.

• Because it is not a whole number.

• Because it cannot be a significant figure to the left of the decimal.

Which of the following numbers is not in scientific notation?

• 3.5 x 10^2

• 0.5 x 10^3

• 5.0 x 10^1

• 7.1 x 10^0

What is the correct format for a number in scientific notation?

• Two significant figures to the left of the decimal multiplied by a power of 10.

• One significant figure to the left of the decimal multiplied by a power of 10.

• No significant figures to the left of the decimal.

• Three significant figures to the left of the decimal.