Adding Scientific Notation

Give the sum in scientific notation.

(4.8 x 10⁸) + (5.4 x 10⁸)

• 1.02 x 10⁸

• 1.02 x 10⁹

• 9.2 x 10⁸

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

• 5.20301 x 10¹¹

• 520301 x 10⁷

• 5.20301 x 10⁷

• 5.20301 x 10⁸

(8 x 10⁴) + (4 x 10⁴)

• 12 x 10⁴

• 1.2 x 10⁵

• 1.2 x 10⁹

• 1.2 x 10⁸

Write the answer in scientific notation.
4.1 x 10⁵ +   5.5 x 10⁶  =

• 5.91 x 10⁶

• 9.6 x 10⁵

• 9.6 x 10¹¹

• 4.65 x 10⁵

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

• 5.20301 x 10¹¹

• 520301 x 10⁷

• 5.20301 x 10⁷

• 5.20301 x 10⁸

Write the answer in scientific notation.
7.3 x 10⁵  +   3.7 x 10⁵  =

• 11.0 x 10⁵

• 1.1 x 10¹⁰

• 1.10 x 10¹¹

• 1.1 x 10 ⁶

In 2012, NYC’s population was about 8.1 × 10⁶ and Los Angeles' population was about 3.8 × 10⁶. What is the population of these two cities combined?

*THE FIRST FACTOR HAS TO BE BETWEEN 1 - 9.9

• 1.19 x 10^-7

• 1.19 x 10⁷

• 11.9 x 10⁶

• 1.19 x 10⁶

What is (5 x 10⁴) + (6.1 x 10⁴) written in standard form?

• 11.1 x 10⁸

• 1.11 x 10⁴

• 11,000

• 111,000