1-12 Simplifying Expressions in Scientific Notation

1-12 Simplifying Expressions in Scientific Notation

Introduced in L46

Warm Up: Write 45,000 in scientific notation

You will enter your answer on the next slide

Multiple Choice

45,000 in scientific notation is ___

• 45 x 10³

• 4.5 x 10⁴

• 4.5 x 10³

• 45 x 1000

Notebook: Learning & Habit Objectives

Learning: I will multiply & divide expressions in scientific notation

Habit: I will use my resources

Success Criteria

• I can multiply expressions in scientific notation

• I can divide expressions in scientific notation

• I can give my answer in scientific notation or standard form

Notebook: Multiplying in Scientific Notation (will do in class)

You may use a calculator. First multiply 1.25 x 2. Then multiply 10⁴ x 10⁶ by adding the exponents. We will write the answer two ways: scientific and standard form

Notebook: Dividing in Scientific Notation (will do in class)

You may use a calculator. First divide 3 by 8. Then divide 10⁹ by 10⁴ by subtracting 9-4. We will write the answer in two ways: scientific and standard form

Multiple Choice

Exit Ticket A: Simplify

• 4.8 x 10¹¹

• 4.8 x 10³⁰

• 48 x 10¹⁰

Multiple Choice

Exit Ticket B: Simplify

• 8 x 10¹⁰

• 16 x 10²⁵

• 16 x 10¹⁰

• 1.6 x 10¹¹

Multiple Select

Exit Ticket C: Simplify & select ALL that are correct

• 1200

• 12,000

• 1.2 x 10⁴

• 12 x 10⁵