APES Math Review

What is the scientific notation of the following number: 1,000,000,000,000

What is the scientific notation of the following number: 5,689,000,000

What is this number equivalent to: $$2.23\ x\ 10^{-9}$$  

Convert the following units: 1 mile is equal to $$2.6km^2$$  

How many kilometers would you travel in 5 miles?

1 meter = 1.094 yards

How many meters are in 5 yards?

How many grams are in a kilogram?

How many milliliters are in a liter?

Dimensional Analysis: A farmer started with 5 goats. He traded all of his goats for sheep at an exchange rate of 3 sheep for 1 goat. He then traded sheep for pigs at a rate of 1 sheep for 2 pigs. Next, he traded his pigs for canaries. For every 3 pigs, he got 27 canaries. He then sold all the canaries for $3.25 each. How much money did he make?

What is the percent change: 234.98 to 324.77

In 2000, the level of ammonia in a river was 63ppm. In 2004, the level was 112ppm. what is the percent increase since 2000?