Scientific Notation Do Now Oral Drill Oral Drill

Scientific Notation

Do Now

Oral Drill

Oral Drill • 3 Sig Figs 5. 982

Oral Drill • 3 Sig Figs 5. 965

Oral Drill • 3 Sig Figs 5. 975

Oral Drill • 3 Sig Figs 0. 004812

• Determine number of Sig figs 90. 003 m

• Determine number of Sig figs 90. 00 kg

• Determine number of Sig figs 9000 students

• Determine number of Sig figs 9000 liters

• 401 + 26 =

• 401. 5 + 100. 25

• 300. 00 x 2. 000

Scientific Notation • Seasons of Love…moments! • How many seconds in a year?

Brainstorm—BIG DISTANCES

Brainstorm—TINY Distances

Notes on Scientific Notation • Definition and Explanation of Scientific notation – Definition: _________________________________________ • – We use scientific notation because… _________________________________________

Notes on Scientific Notation I. Directions for writing Example: 5, 605, 000 LARGE numbers in scientific notation 1) Determine the base: 2) Determine the power of 10: 3) Write the answer

Notes on Scientific Notation I. Directions for writing SMALL numbers in scientific notation. 1) Determine the base: 2) Determine the power of 10: 3) Write the answer: Example: 0. 0000003406

Notes on Scientific Notation IV. Directions for writing Example numbers in Standard 6. 701 x 106 Notation 1) Determine which direction to move the decimal point: 2) Write the base, leaving out the decimal point: 3) Move the decimal place the given number of places, adding zeros as place holders where needed: Example: 2. 0945 x 10 -4

Calculators and Scientific Notation Example: (3. 2 x 10– 7) x (8. 6 x 10– 9) What to type: Answer: Example:

Questions?

WIRes!! • 85% or better class average = 5 marathon points!!!