Review on Exponents and Scientific Notation

Solve:
(6 x 10⁶) / (2 x 10³)

• 12 x 10³

• 3 x 10⁹

• 1.2 x 10⁴

• 3 x 10³

Tags

CCSS.8.EE.A.4

A Halloween store sold 4.3756 x 10⁴ candies in a day. How many candies did they sell in standard form?

Tags

CCSS.8.EE.A.3

During Halloween, a witch casts a spell using Scientific Notation, which is made up of two number parts. The second part is a power of 10.

• True

• False

Tags

CCSS.8.EE.A.3

On Halloween night, a haunted house had 8.317 x 10⁶ visitors. How would you write this number in standard form?

Tags

CCSS.8.EE.A.3

Match each number with its scientific notation form.

• 6.0 x 10⁷

• 0.6

• 6.0 x 10⁶

• 60 million

• 6.0 x 10⁸

• 6 billion

• 6.0 x 10^-3

• 0.006

• 6.0 x 10^-1

• 6 million

Tags

CCSS.8.EE.A.3

Express the following in scientific notation:

.000457

• 457 x 10⁶

• 457 x 10^-6

• 4.57 x10⁴

• 4.57 x 10^-4

Tags

CCSS.8.EE.A.3

A haunted house has 7.1 x 10⁴ Halloween candies. How many candies are there in standard notation?

Tags

CCSS.8.EE.A.3

If the exponent on the power of 10 is a positive number...

• you will get a large number that is greater than 1

• you will get a smaller number that is less than 1

Tags

CCSS.8.EE.A.3

On Halloween night, four witches cast spells to create magical pumpkins. Each spell multiplies the number of pumpkins by a certain number. Which witch created the most pumpkins?

• The first witch multiplied her pumpkins by 9 x 10⁹

• The second witch multiplied her pumpkins by 8.1 x10¹⁰

• The third witch multiplied her pumpkins by 9.02 x10⁹

• The fourth witch multiplied her pumpkins by 6.35 x10¹⁰

Tags

CCSS.8.EE.A.4

While carving a pumpkin for Halloween, you realize that the number of seeds inside, when expressed in scientific notation, must have its first term (factor) _________.

• greater than 0 and less than 10

• greater than or equal to 1 and smaller than 10

• greater than 1

• double digit number

Tags

CCSS.8.EE.A.3