Scientific Notation Operation Review

Write 8.73 x 10^-4  in standard form.

• 0.000873

• 0.0873

• 87,300

• 8,730

Write 6,700 in scientific notation.

• 6.7 x 10³

• 6.7 x10^-3

• 67 x 10²

• 67 x 10^-2

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

• 0.0056

• -5,600

• 0.00056

• -0.0056

A corporation earned a profit of $2.5 × 10⁴ for 1 × 10³ days in a row. What was the corporation’s total profit during this time period?

• 2.5 million

• 250 million

• 1.2 million

• 26,000

In 2013 the Los Angeles Dodgers opening day payroll was about $2.16 × 10⁸ and the Houston Astros opening day payroll was about $2.4 × 10⁷. How much higher was the Dodgers’ payroll?

• 1.92 x 10⁸

• 1.92 x 10⁷

• 1.92 x 10⁶

• 19.2 x 10⁷

An airplane traveled 5.7 × 10² miles per hour for 1.4 × 10¹ hours. How far did the airplane travel?

• 798 miles

• 40.7 miles

• 7.98 miles

• 7980 miles

A TV show had 3.5 × 10⁶ viewers for their first episode and 8.5 × 10⁶ viewers for their second episode. How many viewers did they have overall?

• 1.2 x 10⁷

• 1.2 x 10^-7

• 1.2 x 10⁶

• 1.2 x 10^-6

In 2012, New York City (NYC) and Los Angeles (LA) has the highest populations of any cities in the United States. NYC’s population was about 8.1 × 10⁶ and LA’s population was about 3.8 × 10⁶. What is the population of these two cities combined?

• 19 x 10^-7

• 19 x 10⁷

• 11.9 x 10⁶

• 19 x 10⁶

In 1985 Earth had 4.9 ×10⁹ people living on it and in 2005, earth had 6.4 ×10⁹ living on it. How many more people inhabited Earth in 2005 than in 1985?

• 13 x 10⁹

• 1.13 x 10¹⁰

• 1.5 x 10⁸

• 1.5 x 10⁹

The population of Mathville is 5.6 x 10³. The population of Algeville is 1.3 x 10⁴. How many more people are there in Algeville?

• 7400

• 740

• 7.4 x 10⁴

• 7.4 x 10¹