Mathematics Review Answer Key

5/1/2014

Happy May Day!

This is the answer key to the mathematics review. I will go through each question at the beginning of class tomorrow and show you how to work them. Make sure you show your work, so you can check.

I'll work them out tonight, and use the document camera to avoid confusion. I just can't back an forth book to board, or work them out like that, it makes me nervous :)

Here's the review if you were absent:


Here's the answers:

Answers for APES Mathematics Review Handout

We will go over these in class so just check your answers and if you miss one, try to determine why you missed it!!:)  My conversions may have been a little different because I used a different conversion chart than was in the book. 

1. 1 x 10⁹

2. 2.3 x 10⁴         

3. 7.0 x 10¹³  

4. 3.0 x 10² 

5. 1.75 x 10¹⁶  

6. 2 x 10^-8  

7. 3 x 10²  

8. 1.71 x 10^-4  

9. 64,000 acres ; 25,900 hectacres

10.  2,930,000 kwh

11. 58 metric tons

12. 37,736 BTU ; 36,028,571 Cal

13.  900 lbs CO₂ 

14. 666.7 BTU’s are wasted

15. 269.23 acres developed

16.  0.167%  change

17. 89% change

18. 2,000,000 BTU

19. 50^oF

20. 781.25 gal