CC Scientific Notation Quiz

What is scientific notation used for?

• To calculate the square root of numbers.

• To represent very large or very small numbers

• To represent numbers in binary format.

• To convert numbers into fractions.

What is the purpose of converting numbers to scientific notation?

• To save space when writing or displaying numbers.

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

• To make numbers easier to read and understand.

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

Write the number 0.000045 in scientific notation.

• 4.5 x 10^-4

• 4.5 x 10^-5

• 0.00045 x 10

• 4.5 x 10^5

Convert 3.2 x 10^6 to standard form.

• 3,200,000

• 3.2 million

• 3.2 x 10^6

• 3,200,000.0

What is the exponent in scientific notation?

• power of 10

• exponential value

• index

• coefficient

Convert 6.75 x 10^-4 to standard form.

• 0.000675

• 0.0000675

• 0.0675

• 6.75 x 10^4

What is the standard form of 2.5 x 10^9?

• 2.5 x 10^9

• 25,000,000,000

• 250,000,000

• 2,500,000,000

What is the standard form of 9.81 x 10^-2?

• 0.00981

• 0.981

• 0.0981

• 0.098

Convert 1.23 x 10^5 to standard form.

• 1.23 x 10^2

• 1.23 x 10^6

• 123000

• 1.23 x 10^4

Write the number 0.0000000078 in scientific notation.

• 7.8 x 10^-8

• 7.8 x 10^-7

• 7.8 x 10^-10

• 7.8 x 10^-9