Chapter 2 Practice Quiz 1

How should the following number (0.0000231) be written in scientific notation?

• 23.1 x 10^-6

• 2.31 x 10^-5

• 0.231 x 10^-4

• 231 x 10^-7

The following number (12,300,000) should be written in scientific notation as

• 12.3 x 10⁶

• 1.23 x 10⁷

• 1.23 x 10^-7

• 12.3 x 10^-6

The following number (0.004004) should be written in scientific notation as

• 40.00 x 10^-4

• 40.04 x 10⁴

• 4.004 x 10^-3

• 4.004 x 10³

The following number (4,560,000,000) should be written in scientific notation as

• 45.6 x 10^-8

• 45.6 x 10⁸

• 4.56 x 10^-9

• 4.56 x 10⁹

1 picometer =

• 1 x 10⁹ meters

• 1 x 10^-12 meters

• 1 x 10¹⁵ meters

• 1 x 10^-9 meters

1 kilogram =

• 1 x 10^-3 grams

• 1,000,000 grams

• 10,000 grams

• 1 x 10³ grams

1 Mm =

• 1 x 10⁶ m

• 1 x 10⁹ m

• 1 x 10^-6 m

• 1 x 10^-9 m

1 x 10^-3 m =

• 1 Mm

• 1 µm

• 1 mm

• 1 nm

1 x 10⁹ g =

• 1 dm

• 1 nm

• 1 Km

• 1 Gm

Convert 3.21 nanometers to meters.

• 3.21 x 10^-9 meters

• 3.21 x 10⁹ meters

• 3.21 x 10⁶ meters

• 3.21 x 10^-6 meters