Before class preparation

• Bring a Calculator
• Print scientific notation handout if you can
• Why do we use scientific notation?
• There are three rules on determining how many significant figures are in a number:
  • Non-zero digits are always significant.
  • Any zeros between two significant digits are significant.
  • A final zero or trailing zeros in the DECIMAL PORTION ONLY are significant.

In class activity

• Video: Scientific Notation
• PowerPoint: Scientific Notation (with whiteboards)
• Scientific Notation Worksheet:
  • State scientific notation with the correct number of significant digits

After class work

• Finish worksheet
• Work on your space research project