Scientific Notation Quiz

What is scientific notation used for?

• To represent numbers in binary format.

• To convert numbers into fractions.

• To calculate the square root of numbers.

• To represent very large or very small numbers

What is the purpose of converting numbers to scientific notation?

• To save space and reduce the number of digits needed to represent a number.

• To represent very large or very small numbers in a more concise and manageable form.

• To make calculations with large or small numbers more accurate.

• To make numbers easier to read and understand.

Convert the number 0.000045 to scientific notation.

• 4.5 x 10^-5

• 4.5 x 10^5

• 45 x 10^-6

• 0.45 x 10^-4

Convert the number 6.02 x 10^23 to standard form.

• 6.02 x 10^24

• 6.02 x 10^22

• 6.02 x 10^23

• 602,000,000,000,000,000,000,000

Perform the following operation: (3.2 x 10^4) x (2.5 x 10^2).

• 8 x 10^2

• 6 x 10^6

• 5 x 10^4

• 8 x 10^6

Perform the following operation: (5.6 x 10^-3) / (2 x 10^-2).

• 0.056

• 0.056 x 10^-5

• 0.056 x 10^2

• 0.28

How many significant figures are in the number 0.00340 x 10^5?

• 2

• 5

• 4

• 3

How many significant figures are in the number 8.90 x 10^-2?

• 3

• 2

• 1

• 4

What is the rule for determining the number of significant figures in scientific notation?

• Count all the digits from the first non-zero digit to the last digit, excluding the decimal point.

• Count all the digits from the first non-zero digit to the last digit, excluding zeros between them.

• Count only the non-zero digits in scientific notation.

• Count all the digits from the first non-zero digit to the last digit, including zeros between them.

True or False: In scientific notation, the coefficient must be a number between 1 and 10.

• True or False: In scientific notation, the coefficient can be any number.

• False

• True or False: In scientific notation, the coefficient must be a whole number.

• True