Homework 3 - MTH 127-105 Fall 2009 Marshall University

In the following, replace the question mark with , or =, whichever is correct.. |x|-|y| Simplify the following using laws of exponents 10.. Find the value of each following expression if

Homework 3 – Due 2 September Name:

Accepted late for full credit by 9 September

Turn in scratchwork.

In the following, replace the question mark with <, >, or =, whichever is correct

1.) ? 0

4.)

Find the value of each following expression if x=3 and y=-2

6.) |x+y|

7.) |x-y|

8.) |x|+|y|

9.) |x|-|y|

Simplify the following using laws of exponents

10.)

11.)

12.)

13.)

Find the value of each following expression if x=2 and y=-1

14.)

15.)

16.)

18.)

19.)

Write the following in scientific notation 20.)1562

21.)0.1234

22.)0.00072