Chemistry

PODs 14-18

POD #14 8/24/2015

Write your first and last name and the period in the upper right hand corner of your paper. Each POD should be numbered and dated.

1. Express the following in scientific notation.a. 25.352b. 0.00521

2. Carry out the following mathematical operations.a. (4.057 x 103) x (2.001 x 107) = b. =

8/25/2015

GALILEO TESTING NO POD

POD #15 8/26/2015

Be sure to number and date each POD. All responses should be numbered. 1. How many numbers will there be in front of the

decimal point when you convert a number to scientific notation?

2. When will a number have a positive exponent when converted to scientific notation? When will a number have a negative exponent when converted to scientific notation?

POD #16 8/27/2015

Be sure to number and date each POD. All responses should be numbered. 1. Convert the following to scientific notation:

a. 23,100b. 0.23500

2. Carry out the following:a. 3.111 x 23.7 = b. 2.000 + 3700 + 120.7 =

POD #17 8/28/2015

Make sure your name and period are in the upper right hand corner of your paper and that each POD is numbered and dated.

1. What are the SI base units for time, length, mass, and temperature?

2. What temperature is absolute zero?