Number System Skills

Convert 5,000,000 to scientific notation.

• 5.0 x 10^5

• 50 x 10^5

• 0.5 x 10^7

• 5.0 x 10^6

Express 0.0000032 in scientific notation.

• 3.2 x 10^-5

• 3.2 x 10^-7

• 3.2 x 10^-4

• 3.2 x 10^-6

What is 2.5 x 10^4 in standard form?

• 2.5 x 10^4 = 250,000

• 2.5 x 10^4 = 25,000

• 2.5 x 10^4 = 2,500

• 2.5 x 10^4 = 20,000

Write 7.89 x 10^-6 in standard notation.

• 0.00000789

• 0.00789

• 0.000789

• 0.0000789

Perform the operation (3 x 10^5) x (4 x 10^2) and express the result in scientific notation.

• 1.2 x 10^8

• 3.4 x 10^6

• 4.3 x 10^8

• 1.2 x 10^7

Simplify (6 x 10^7) / (2 x 10^3) in scientific notation.

• 2 x 10^4

• 4 x 10^4

• 5 x 10^4

• 3 x 10^4

Convert 1.25 x 10^-2 to standard form.

• 0.125

• 0.00125

• 0.012

• 0.0125

Calculate (5 x 10^6) + (3 x 10^5) and express the result in scientific notation.

• 5.3 x 10^6

• 5.3 x 10^5

• 5.4 x 10^6

• 8 x 10^5

What is the result of (8 x 10^3) - (2 x 10^2) in scientific notation?

• 7.6 x 10^3

• 8.2 x 10^3

• 7.8 x 10^3

• 6.8 x 10^3

If a star is 9.5 x 10^12 km away, how far is it in standard form?

• 9.5 x 10^2 Mm

• 9.5 x 10^3 Mm

• 9.5 x 10^4 Mm

• 9.5 x 10^1 Mm