scientific notation

Which is the best example of a number written in scientific notation?

• 0.5 x 10⁵

• 0.1254

• 5.637 x 10^-3

• 12.5 x 10²

Write 6.37 e -2 in standard form.

• 0.00637

• 0.0637

• 637

• 63700

(2.1 x 10^-3) (2 x 10²)

• 4.2 x 10^-6

• 4.2 x 10^-5

• 4.2 x 10^-1

• 4.2 x 10¹

5 x 10⁴ / 2.5 x 10²

• 2 x 10²

• 12.5 x 10²

• 0.5 x 10⁶

• 5 x 10⁶

4.01 x 10⁰

• 0.401

• 4.001

• 4.01

• 40.1

A rectangular section of wilderness will be set aside as a new wildlife refuge. It's dimensions are 5 x 10⁵ meters by 4 x 10⁴ meters. find the area of the land in square meters.

• 9 x 10¹

• 9 x 10⁹

• 2 x 10¹⁰

• 20 x 10⁹

(3 x 10⁴) + (2.5 x 10⁵)

• 0.5 x 10⁵

• 2.8 x 10⁵

• 3.25 x 10⁵

• 5.5 x 10⁹

What is 6.92 x 10^-3 in standard form?

• 0.000692

• 0.00692

• 0.0692

• 0.692

(2.5 x 10⁴) - (1.5 x 10³)

• 1 x 10¹

• 1 x 10⁷

• 2.35 x 10⁴

• 2.35 x 10⁷

What is 0.000058 written in scientific notation?

• 5.8 x 10^-6

• 5.8 x 10^-5

• 5.8 x 10⁶

• 5.8 x 10⁵