A pool is 39.4 m long and 29.7 m wide. If the average depth of water is 3.30 ft, what is the mass (in kg) of water in the pool? Enter your answer in scientific notation.
The density of water is 1.0 g/mL.
x 10
kg

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

The biosphere of the earth is made up of what compound? organic or inorganic?