Review for Fall Final Exam 8th Grade part 1

How would you write 0.0005 in scientific notation?

• 50 x 10^-5

• 5 x 10^-4

• 5 x 10³

• .5 x 10³

Tags

CCSS.8.EE.A.3

CCSS.8.EE.A.4

Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.

• True
• False

Tags

CCSS.8.EE.A.3

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Tags

CCSS.8.EE.A.4

Convert to scientific notation:

520,000,000

• 52 x 10⁷

• 5.2 x 10^-7

• 5.2 x 10⁸

• 0.52 x 10⁹

Tags

CCSS.8.EE.A.3

CCSS.8.EE.A.4

In scientific notation, if the exponent is a positive number the original number was...

• a really big number.

• a really small number.

In scientific notation, if the exponent is a negative number the original number was...

• a really large number.

• a really small number.

Solve:

3x + 15 = 3(x + 5)

• No Solution

• x = 15

• Infinitely Many Solutions

Tags

CCSS.8.EE.C.7A

What is the definition of infinite solutions?

• no matter what constant is substituted in for the variable, the equation is ALWAYS true

• no matter what constant is substituted in for the variable, the equation will NEVER be true

• only this ONE solution will make the equation true

What is the definition of no solution?

• no matter what constant is substituted in for the variable, the equation is ALWAYS true

• no matter what constant is substituted in for the variable, the equation will NEVER be true

• only this ONE solution will make the equation true

Tags

CCSS.8.EE.C.7A

What is the definition of one solution?

• no matter what constant is substituted in for the variable, the equation is ALWAYS true

• no matter what constant is substituted in for the variable, the equation will NEVER be true

• only this ONE solution will make the equation true

Tags

CCSS.8.EE.C.7A