Applying operations on numbers expressed using scientific notation to solve mathematical and real-world problems

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

• 5.91 x 10⁶

• 9.6 x 10⁵

• 9.6 x 10¹¹

• 4.65 x 10⁵

Write the answer in scientific notation.

4.1 x 10⁶ + 5.5 x 10⁶ =

• 5.91 x 10⁶

• 9.6 x 10⁶

• 9.6 x 10¹²

• 4.65 x 10⁵

Write the answer in scientific notation.
5 x 10⁸ -   3.4 x 10⁸  =

• 2.4 x 10⁸
• 2.4 x 10⁰
• 1.6 x 10⁰
• 1.6 x 10⁸

Subtract.

Write the answer in scientific notation.

(5 x 10⁸) - (3.4 x 10⁸)

• 2.4 x 10⁸

• 2.4 x 10⁰

• 1.6 x 10⁰

• 1.6 x 10⁸

(2.3 x 10^-2)+(4.1 x 10^-2)=

• 6.4 x 10^-4

• 6.4 x 10^-2

• 6.4 x 10⁰

• .64 x 10^-1

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

Write the answer in scientific notation.

5.3 x 10⁵ + 3.7 x 10⁵ =