APES Math Review #1

Front

Back

.00000000223

Front

Scientific notation of 5,689,000,000

Back

Front

Compared to a solution that has a pH of 8, a solution that has a pH of 5 is

Back

1000 times more acidic

Front

Back

Front

Sea level is rising by about 2.5 mm per year. At this rate, how much time would it take to increase by 0.5m?

Back

200 years

Front

Two autos are making a trip of 600 miles. The first auto gets 20 miles per gallon, the second gets 30 miles per gallon. How much LESS carbon (in CO2) will be produced by the second automobile?

Back

50 lbs carbon

Front

If the annual consumption of petroleum in the United States is about 23 barrels per capita, the total annual consumption of petroleum in the United States is closest to?

Back

6 billion barrels

Front

A landfill having an area of 21,000 m² receives 38 cm of rainfall per year. If 60% of rainfall becomes runoff, what is the volume of the runoff?

Back

4788 m²

Front

Percent change from 234.98 to 324.77

Back

38%

Front

The atmospheric concentration of CO2 increased from 245 ppm in 1790 to 390 ppm in 2007. What is the approximate percent increase from 1790 to 2007?

Back

60%