Operations on Numbers Expressed Using Scientific Notation

Multiply:

(3.4 x 10⁵)(1.2 x 10^-3)

• 4.08 x 10^-8

• 4.8 x 10²

• 4.08 x 10²

• 4.08 x 10^-15

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

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

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 =

Give the sum of (2.6 x 10⁶) + (4.2 x 10⁶)

• 6.8 x 10⁶

• 6.8 x 10¹²

• 8.4 x 10⁶

• 3.2 x 10¹²

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 10¹¹

• 4.65 x 10⁵