Name _________________________________________
Kaspriskie
CP Chemistry 2015-16
Notes 3.3: Scientific Notation
1. What is scientific notation?
2. Why do we use it?
3. Why is it particularly important for our class?
4. Rewrite 25,300,000,000,000 in scientific notation. Show your work as explained in the video.
5. Rewrite 0.0000000203 in scientific notation. Show your work as explained in the video.
6. When you move the decimal to the left, the exponent goes ___________________.
7. When you move the decimal to the right, the exponent goes ___________________.
8. Convert the numbers given in the video into scientific notation:
a. 3,749,000,000
b. 0.00005269
c. 813,000,000,000,000
d. 0.0000000214
9. Convert the numbers given into the video back into decimal notation.
a. 4.13 x 103
b. 5.2216 x 10-9
10. Practice making the following conversions in and out of scientific notation:
a. 465mL = ________________________ mL g. 0.000 000 000 440 mg = ___________________mg
b. 69,755g = _________________________ g
h. 5.50 x 103 L = ____________________________L
c. 234,241 J = ________________________J
i. 2.75 x 106 J = ____________________________J
d. 750,000,000,000g = _________________g
j. 3.5 x 10-2 cal = ___________________________cal
e. 0.0125 cm3 = _____________________cm3
l.
2.29 x 10-6 g = ___________________________g