Add Scientific Notation

2.5 x 10⁴ - 1.5 x 10³

• 1 x 10¹

• 1 x 10⁷

• 2.35 x 10⁴

• 2.35 x 10⁷

Tags

CCSS.8.EE.A.4

What is the result of (3.5 x 10^2) + (2.1 x 10^3)?

• 4.3 x 10^3

• 1.8 x 10^3

• 2.45 x 10^3

• 5.6 x 10^2

Tags

8.EE.A.4

What is the result of (5.2 x 10^3) + (3.9 x 10^2)?

• 5.59 x 10^2

• 8.1 x 10^3

• 9.1 x 10^2

• 5.59 x 10^3

Tags

8.EE.A.4

Convert the number 0.000045 to scientific notation.

• 4.5 x 10^-6

• 4.5 x 10^-4

• 4.5 x 10^5

• 4.5 x 10^-5

Tags

8.EE.A.4

8.EE.A.3

Convert the number 0.0000078 to scientific notation.

• 7.8e-7

• 0.00078e-4

• 7.8e-6

• 0.78e-5

Tags

8.EE.A.4

Convert the number 1.25 x 10^-2 to standard notation.

• 0.00125

• 0.012

• 0.125

• 0.0125

Tags

8.EE.A.4

Change from standard form to scientific notation: 12,000,000

• 12.0  x  10⁷

• 0.12  x  10⁷

• 1.2  x  10⁶

• 1.2  x  10⁷

Tags

CCSS.8.EE.A.3

Try to change the number back to standard form: 3.97  x  10^-2

• 0.000397

• 0.0397

• 0.0000397

• 0.397

Tags

CCSS.8.EE.A.3

In Australia, the people use approximately 2,240,000,000 pounds of bread in a year. How can we write this number in scientific notation?

• 2.240 x 10^-9

• 224 x 10⁶

• 2.2 x 10⁶

• 2.240 x 10⁹

Tags

CCSS.8.EE.A.3

The average width of a piece of human hair is .0001m. What is this measurement in scientific notation?

• 1 x 10⁴

• 1 x 10^-4

• 10 x 10^-5

• 1 x 10^-3

Tags

CCSS.8.EE.A.3