Pre-Algebra: Unit 2 Scientific Notation

What is scientific notation?

• A long way to write really short numbers

• A short way to write really long numbers

• None of the above

UNDERSTANDING
If the exponent is a positive number...

• you will get a large number
• you will get a smaller number

UNDERSTANDING
If the exponent is a negative number...

• you will get a large number
• you will get a small number

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

• False
• True

Scientific Notation is made up of two number parts. The second part is a power of base 10.

• True
• False

Which of the following is correct scientific notation?

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

How would you write 4.3756 x 10⁴ in standard form?

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

How would you write -5.6 x 10^-3 in standard form?

• 0.0056
• -5,600
• 0.00056
• -0.0056

How do you write
1001
in scientific notation?

• 1.0001 x 10⁴
• 1.01 x 10⁵
• 1.001 x 10³
• 10.1 x 10³

(3.4 x 10⁵)(1.2 x 10^-3)

• 4.08 x 10^-8

• 4.8 x 10²

• 4.08 x 10²

• 4.08 x 10^-15