Scientific Notation Practice

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

• 2.5 x 10⁴

• 25 x 10⁵

• 2.4 x 10^-4

• 2.5 x 10^-5

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

Evaluate. Leave your answer in scientific notation. 
(3.4×10⁴)(2×10⁴)

• 6.8×10⁴
• 5.4×10⁴
• 6.8×10⁸
• 5.4×10⁸

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

Evaluate. Leave your answer in scientific notation. 
(9.6×10⁸)  ⁄  (3×10⁴)
(hint - it's division...)

• 6.6×10²
• 3.2×10¹²
• 3.2×10⁴
• 6.6×10⁴

Tags

CCSS.8.EE.A.4

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

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

Evaluate the product.

(6.5x10⁷) (7.2x10^-2)

• 4.68 x 10⁶

• 4.68 x 10⁵

• 46.8 x 10⁶

• 1.37 x 10⁵

Tags

CCSS.8.EE.A.4

UNDERSTANDING
If the exponent is a positive number...

• you will get a large number
• you will get a smaller number

Tags

CCSS.8.EE.A.1

UNDERSTANDING
If the exponent is a negative number...

• you will get a large number
• you will get a small number

Tags

CCSS.HSA.APR.A.1

Which is true when converting from scientific to standard notation? (select all that apply)

• move the decimal to the right if the exponent is negative

• move the decimal to the left if the exponent is positive

• move the decimal to the right if the exponent is positive

• move the decimal to the left if the exponent is negative

Tags

CCSS.8.EE.A.3