Scientific notation (I)

How would you write 5.6 x 10^-3 in standard form?

• 56,000

• 5,600

• 0.00056

• 0.0056

Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.

• True

• False

When writing a number in scientific notation, the first number must be between 1 and 9.

• False

• True

Which of the following is correct scientific notation?

• 20.35 x 10⁴

• .2035 x 10⁴

• 2035 ⁴

• 2.035 x10⁴

Express the following in scientific notation:
.000457

• 457 x 10⁶

• 457 x 10^-6

• 4.57 x10⁴

• 4.57 x 10^-4

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

 $\frac{6.9\times10^7}{2.3\ \times10^{-3}}$  

• 3 x 10¹⁰

• 3 x 10⁴

• 3 x 10^-4

• 3 x 10^-11

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

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

• 11.0 x 10⁵

• 1.1 x 10¹⁰

• 1.1 x 10¹¹

• 1.1 x 10 ⁶

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

• 8.4 x 10⁸

• 8.4 x 10⁰

• 1.6 x 10⁰

• 1.6 x 10⁸