8th Grade Math midterm exam part 1

19  + a  =  -50

• a = -950
• a =  -69
• a = -31
• a = -50/19

Tags

CCSS.6.EE.B.7

How would you write 0.0005 in scientific notation?

• 50 x 10⁵
• 5 x 10⁴
• 5 x 10^-4

• .5 x 10³

To which real number set do the following real numbers belong?

• Irrational Numbers

• Natural Numbers

• Rational Numbers

• Integers

We know that π (Pi) is approximately equal to 3.141592654... To which subset of the real numbers does π belong?

• Irrational Numbers

• Rational Numbers

• Integers

• Natural Numbers

Simplify the expression using exponents.

• 81⁸

• 9¹⁵

• 9⁸

• 81¹⁵

Tags

CCSS.8.EE.A.1

Write the decimal as a fraction in simplest form

• 
• 
• 
• 

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Using exponents, what is the simplified form of the expression (2⁴)⁷

• 2³

• 14²⁸

• 2²⁸

• 2¹¹

Tags

CCSS.8.EE.A.1

What is the value of 18⁰?

• 18

• 0

• 1

• -18

Tags

CCSS.8.EE.A.1

How do you write the standard number 0.00095 in scientific notation?

• 9.5 x 10^-3

• 9.5 x 10^-5

• 9.5 x 10^-4

• 9.5 x 10^-6

Write the standard number 6,267,000 in scientific notation.

• 62.67 x 10⁶

• 6.267 x 10⁶

• 6.267 x 10⁴

• 6.267 x 10⁷