Scientific Notation

Which of the following is correctly written in scientific notation?

• 8.2 x 10^2

• 82 x 10^7

• 3.45 x 9^4

• 0.045 x 10^3

What is the scientific notation for 0.000398?

• 3.98 x 10^-4

• 3.98 x 10^-3

• 3.98 x 10^-5

• 3.98 x 10^-2

Convert 0.00000567 to scientific notation.

• 5.67 x 10^-5

• 5.67 x 10^-6

• 5.67 x 10^-7

• 5.67 x 10^-4

What is the standard form of 7.82 x 10^-6?

• 0.0000782

• 0.00000782

• 0.000000782

• 0.000782

How do you convert 125,678,000 to scientific notation?

• 1.25678 x 10^7

• 1.25678 x 10^8

• 1.25678 x 10^9

• 1.25678 x 10^6

How do you express 450,000 in scientific notation?

• 4.5 x 10^4

• 4.5 x 10^5

• 4.5 x 10^6

• 4.5 x 10^3

What does the exponent in scientific notation indicate?

• It indicates how many places to move the decimal point.

• It represents the number of significant figures.

• It shows the base number in the notation.

• It determines the overall value of the number.

What is the standard form of 3.2 x 10^3?

• 3200

• 320

• 32

• 32000

Convert 9,000,000 to scientific notation.

• 8 x 10^6

• 9 x 10^5

• 9 x 10^6

• 10 x 10^6

What is the scientific notation for 0.000000123?

• 1.23 x 10^-7

• 1.23 x 10^-6

• 1.23 x 10^-8

• 1.23 x 10^-5