Scientific Notation Practice 1

What is the simplified version of

• 3.9 x 10⁶
• 4 x 10²⁰
• 4 x 10⁶
• 3.9 x 10²⁰

Tags

CCSS.8.EE.A.4

One type of insect is 0.000025 meters long. What is this distance in scientific notation?

• 2.5 x 10⁴

• 25 x 10⁵

• 2.4 x 10^-4

• 2.5 x 10^-5

Tags

CCSS.8.EE.A.3

An Asian country has a population of 19,700,000. What is this number in scientific notation?

• 1.97 x 10⁵

• 1.97 x 10⁷

• 197 x 10⁵

• 1.97 x 10⁸

Tags

CCSS.8.EE.A.3

When dividing numbers in scientific notation, what do you do to the exponents?
For example:
(4×10⁵) ∕ (3×10²)

• Add them
• Subtract them
• Keep them the same
• Divide them

Tags

CCSS.8.EE.A.4

How would you write 0.0005 in scientific notation?

• 50 x 10⁵

• 5 x 10^-4

• 5 x 10^-3

• .5 x 10³

Tags

CCSS.6.EE.A.1

Solve:

(6 x 10⁶) / (2 x 10³)

• 12 x 10³

• 3 x 10⁹

• 1.2 x 10¹⁰

• 3 x 10³

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

CCSS.6.NS.B.2

Write the answer in scientific notation.
5 x 10⁸ -   3.4 x 10⁸  =

• 2.4 x 10⁸
• 2.4 x 10⁰
• 1.6 x 10⁰
• 1.6 x 10⁸

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

Write the answer in scientific notation.
7.3 x 10⁵  +   3.7 x 10⁵  =

• 11.0 x 10⁵
• 1.1 x 10¹⁰
• 1.1 x 10¹¹
• 1.1 x 10 ⁶

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

When multiplying numbers in scientific notation, what do you do to the coefficients?

For example:

(4×10⁵)(3×10⁻²)

• Keep them the same

• Divide them

• Add them

• Multiply them

Solve:
(2.1×10​²​​) × (3.0×10​⁴)

• 5.1 x 10²
• 6.3 x 10⁶
• 5.1 x 10⁶
• 6.3 x 10⁸

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

CCSS.6.NS.B.3