Operations in Scientific Notation Practice

Convert 0.0000456 to scientific notation.

• 4.56 x 10^(-6)

• 0.000456 x 10^(-3)

• 0.456 x 10^(-4)

• 4.56 x 10^(-5)

Perform the addition: (3.2 x 10^4) + (5.6 x 10^3).

• 8.8 x 10^4

• 2.4 x 10^4

• 3.76 x 10^4

• 9.6 x 10^3

Multiply (2.5 x 10^6) by (4 x 10^2) in scientific notation.

• 11.0 x 10^8

• 10.0 x 10^8

• 9.0 x 10^8

• 8.0 x 10^8

Divide (7.2 x 10^5) by (3 x 10^3) in scientific notation.

• 2.4 x 10^2

• 3 x 10^2

• 2.1 x 10^2

• 7.2 x 10^2

Solve the word problem: The distance from the Earth to the Sun is approximately 93,000,000 miles. Write this distance in scientific notation.

• 930,000,000 miles

• 93 x 10^6 miles

• 9.3 x 10^8 miles

• 9.3 x 10^7 miles

Convert 4.8 x 10^7 back to standard notation.

• 4.8 x 10^7

• 48 x 10^6

• 48,000,000

• 480,000,000

Convert 6.75 x 10^-2 to standard notation.

• 0.0675

• 6.75 x 10^2

• 0.675

• 6.75 x 10^-3

Perform the subtraction: (9.6 x 10^3) - (2.3 x 10^2).

• 7.3 x 10^3

• 11.9 x 10^3

• 6.3 x 10^3

• 9.37 x 10^3

Multiply (5.2 x 10^8) by (1.5 x 10^-3) in scientific notation.

• 0.78 x 10^6

• 7.8 x 10^4

• 78 x 10^4

• 7.8 x 10^5

Divide (3.6 x 10^4) by (6 x 10^-2) in scientific notation.

• 0.6 x 10^6

• 0.9 x 10^2

• 0.3 x 10^5

• 0.6 x 10^3