Scientific Notation and Operations with Scientific Notation

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

If you add to your exponent of 10, you move your decimal...

• Left

• Right

• Up

• Down

Multiply:
(9.4 x 10⁶)(3.2 x 10⁵)

• 30.08 x 10¹¹

• 3.008 x 10¹¹

• 3.008 x 10¹²

• 2.9375 x 10¹

Which is the largest?
4.8 x 10^-6 
1.3 x 10²⁰
3.1 x 10^-4
9.2 x 10^-5 
9.5 x 10³²
5.9 x 10^-5
2.9 x 10²¹
8.4 x 10¹⁹

• 9.5 x 10³²

• 3.1 x 10^-4

• 8.4 x 10¹⁹

• 4.8 x 10^-6 

How would you write 0.0005 in scientific notation?

• 50 x 10⁵

• 5 x 10^-4

• 5 x 10⁴

• .5 x 10³

(2.13 * 10⁴) / (7.1 * 10²)

• 0.3 * 10²

• 3 * 10⁶

• 3 * 10²

• 3 * 10

6.0 x 10^-3 mg + 2 x 10^-4 mg

• 6.2 x 10^-2 mg

• 8.0 x 10^-3 mg

• 8 x 10^-2 mg

• 6.2 x 10^-3 mg

Add using scientific notation.
(5.2 x 10⁷) + (3.01 x 10⁴)

• 8.01 x 10¹¹

• 8.01 x 10⁷

• 5.20301 x 10⁷

• 5.20301 x 10⁸