Operations with Scientific Notation

Find the difference
(3.8 x 10⁴) - (2 x 10³)

• 1.8 x 10⁴

• 1.8 x 10¹

• 3.6 x 10¹

• 3.6 x 10⁴

UNDERSTANDING:
The first number in scientific notation must be...

• between and including 0 and 10

• between and including 1 and 9.9999

• between and including 0 and 9.999

• between and including 1 and 10 

Solve:
(2.1×10​²​​) × (3.0×10​⁴)

• 5.1 x 10²

• 6.3 x 10⁶

• 5.1 x 10⁶

• 6.3 x 10⁸

What do you do to your exponents when you are dividing in scientific notation?

• Subtract

• Divide

• Multiply

• Add

What do you do to your exponents when you are multiplying in scientific notation?

• Subtract

• Multiply

• Divide

• Add

A rectangular section of land made up of wheat farms has a length of 5 X 10⁴ meters and a width of 6 X 10³ meters What is the area of the land in square meters? Hint: Area=length(width)

• 3 X 10⁶ m²

• 3 X 10⁷ m²

• 3 X 10⁸ m²

• 3 X 10¹² m²

Which of the following numbers is the least ?

• 7 x 10⁸

• 7.1 x 10⁸

• 7 x 10⁹

• 7.1 x 10⁹

Which number is the greatest?

• 5.25 x 10⁵

• 2.55 x 10⁵

• 5.55 x 10⁵

• 5 x 10⁵

Place the following numbers in order from least to greatest.

• 7.8 x 10⁶
  1.25 x 10⁵
  5.1 x 10⁴
  4.09 x 10⁴

• 4.09 x 10⁴
  5.1 x 10⁴
  1.25 x 10⁵
  7.8 x 10⁶

• 1.25 x 10⁵
  4.09 x 10⁴
  5.1 x 104
  7.8 x 10⁶

Order the following from least to greatest:

6.8 x 10⁶
6 x 10⁶
6.6 x 10⁶
6.1 x 10⁶

• 6.8 x 10⁶
  6 x 10⁶
  6.6 x 10⁶
  6.1 x 10⁶

• 6.8 x 10⁶
  6 x 10⁶
  6.6 x 10⁶
  6.1 x 10⁶

• 6 x 10⁶
  6.1 x 10⁶
  6.6 x 10⁶
  6.8 x 10⁶