Scientific Notation Quiz

What is the main focus of the video presented by Shea Jackson?

• Learning about algebraic equations

• Preparing for the 2022 Texas STAR Math Test

• Understanding geometry concepts

• Exploring calculus problems

Why is scientific notation used?

• To simplify addition and subtraction

• To express very large or very small numbers conveniently

• To solve quadratic equations

• To convert fractions into decimals

How is the number 29,700,000,000 written in scientific notation?

• 2.97 x 10^10

• 2.97 x 10^9

• 29.7 x 10^10

• 29.7 x 10^9

What is the first step in converting a number to scientific notation?

• Move the decimal point to form a number between 1 and 10

• Divide by 10

• Multiply by 10

• Add a negative exponent

How do you determine the exponent when converting a number to scientific notation?

• By adding 10 to the number

• By counting the number of decimal places moved

• By counting the number of zeros

• By subtracting 10 from the number

What is the standard form of 8.5 x 10^-5?

• 0.000085

• 0.085

• 0.00085

• 0.0085

When converting scientific notation to standard form, what does a positive exponent indicate?

• The number is less than one

• The number is greater than one

• The number is a fraction

• The number is negative

What is the scientific notation for 78,600,000?

• 7.86 x 10^6

• 78.6 x 10^7

• 7.86 x 10^7

• 78.6 x 10^6

How many spaces do you move the decimal point to convert 0.00053 to scientific notation?

• 5 spaces to the left

• 4 spaces to the left

• 4 spaces to the right

• 3 spaces to the left

What is the scientific notation for 0.000072?

• 7.2 x 10^6

• 7.2 x 10^5

• 7.2 x 10^-6

• 7.2 x 10^-5