Scientific Notation

Scientific Notation is made up of two number parts. The second part must be an exponent with of base 10.

• True

• False

When writing a number in scientific notation, the first number must be at least 1, but less than 10. (1 < x < 10)

• False

• True

Which of the following are correct scientific notation? SELECT ALL THAT APPLY

• 20.35 x 10⁴

• 2 x 10⁴

• 2035 ⁴

• 2.035 x10⁴

• 2.035 x 8¹⁰

What is the main reason we sometimes write numbers in scientific notation?

• because it's a shorter way to write really long numbers

• it's the teacher's favorite way

• exponents are always easier than standard form numbers

• because elephants weigh a lot

What is scientific notation?

• A long way to write really short  numbers
• A short way to write really long numbers
• I don't know...
• None of the above

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

• 50
• 5
• 100
• 10

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 your exponent is negative, you move your decimal....

• to the right
• to the left
• to both sides
• nowhere.... the decimal goes nowhere

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

• True
• False