Intro to Scientific Notation

Intro to Scientific Notation

Multiple Choice

Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.

• True
• False

Multiple Choice

When writing a number in scientific notation, the first number must be greater than 1, but less than 10.

• False
• True

Multiple Choice

The rule of scientific notation is to write all exponents with a base of ____.

• 50
• 5
• 100
• 10

Multiple Choice

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Multiple Choice

Convert to scientific notation:
520,000,000  

• 52 x 10⁷
• 5.2 x 10⁷
• 5.2 x 10⁸
• 0.52 x 10⁹

Multiple Choice

Write 3.5 x 10⁶ in standard notation.

• 0.0000035

• 35,000,000

• 3,500,000

• 0.00000035

Multiple Choice

Put the following in scientific notation:

23,948

• 23.948 x 10³

• 2.3948 x 10⁴

• 2.3948 x 10^-4

• 0.23948 x 10⁵

Multiple Choice

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000
• 0.00043756
• 43,756
• 4,3756

Multiple Choice

Write the following using Scientific Notation

• 125 x 10^-3

• 1.25 x 10^-1

• 12.5 x 10^-2

• 1.25 x 10²

Multiple Choice

How would you write 0.0005 in scientific notation?

• 50 x 10^-5
• 5 x 10^-4
• 5 x 10³
• .5 x 10³

Multiple Choice

Write 7.8 x 10^-3 in standard form.

• 0.0078

• 7,800

• 78

• 0.078

Multiple Choice

Express the following in scientific notation:

.000045

• 4.5 x 10^-5

• 45 x 10^-6

• 4.5 x10⁵

• 45 x 10⁶

REVIEW: Scientific Notation

• Scientific Notation used for rewriting really big and really small numbers

• Scientific Notation Format:

   $a\ \times\ 10^{\ n}$  

• a must be between 1-10

• the exponent represents the number of times the decimal is moved

• negative exponents, really small numbers (move left)

• positive exponents, really big numbers (move right)

Open Ended

Summarize your learning for today. List the 3 takeaways from today's lesson, 2 thinks you will need to memorize, and any questions you may still have. You must use complete sentences.

Poll

Please Rate your level of understanding and ability to rewrite numbers in scientific notation

• Seeding: I understand, and I would like to practice more with my teacher

• Sprouting: I understand and I am ready to practice with a friend

• Blooming: I understand and I am ready to practice on my own

• Blossoming: I understand and I am ready to teach a friend