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April 21, 2014

Homework Help: Pre- Algebra

Posted by Dude on Wednesday, September 5, 2012 at 5:24pm.

1. What is (-7)^5 in expanded form?


2. Simplify the expression.
(-3)^4

a. 81
b. -81
c. -12
d. 12

3. Which expression is equivalent to 4x4x4x4x4x4x4x4?

a. 4 x 8
b. 8^4
c. 8x8
d. 4^8

4. 2/3 x 1/2? Simplify to lowest terms


5. Solve 1/6 / 2/6


6. Which of these numbers is irrational?

a. square root of 3
b. 0.25
c. 1/5
d. square root of 9

7. What is the sum of 5/6 + 2/3?

a. 1 1/3
b. 1 1/2
c. 1 2/3
d. 1 3/4

8. How would you convince a fellow student that the number 0.57 is a rational number?

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