Scientific Notation and Properties of Exponents

Subtract: (8.3 x 10⁶) - (3.4 x 10⁴)

• 8.266 x 10¹⁰

• 8.266x 10⁶

• 4.9 x 10²

• 49 x 10¹⁰

Simplify. Leave as an exponent.

• 1/27

• (1/3)⁴

• (1/3)⁵

• (1/27)²

Simplify (2 x 10³) + (5 x 10⁵)

• 7 x 10²

• 10 x 10¹⁵

• 5.02 x 10⁵

• 1.0 x 10²

In Australia, the people use approximately 2,240,000,000 pounds of bread in a year. How can we write this number in scientific notation?

• 2.240 x 10^-9

• 224 x 10⁶

• 2.2 x 10⁶

• 2.240 x 10⁹

The table shows the population of the three largest countries in North America in 2011. How many more people live in the US than Canada?

• 2.762 x10¹⁵

• 2.62 x 10⁷

• 2.762 x 10⁸

• 2 x 10⁸

x² * x^-4

• x⁰

• x

• x²

• x^-2

Add (3 x 10³) + (5 x 10²)

• 3.5

• 3.5 x 10³

• 3.5 x 10²

• 3500

Which shows (2x²)³ in a simplified form?

• 6x⁵

• 8x⁶

• 6x⁶

• 8x⁵

What is 512, 800,000,000 in scientific notation? Fill in the blank

• 51.28

• 512.8

• 5.128

• 5128

Express your answer in scientific notation.

8.2 x 10⁹ - 2.3 x 10⁸

• 5.9 x 10⁹

• 7.97 x10⁹

• 5.9 x 10⁸

• 7.97 x 10⁸