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Convert the numbers used in the following problems to scientific notation. The largest brain ever measured was that of a sperm whale. It had a mass of 9200 grams.

Convert the numbers used in the following problems to scientific notation. The mass of an amoeba is about 0.000004 gram.

For the following exercises, perform the indicated operations. $$ -8-(-14) $$

Write the expressions for the following problems using only positive exponents. $$ \frac{-44 x^{3} y^{-6} z^{-8}}{-11 x^{-2} y^{-7} z^{-4}} $$

Convert the numbers used in the following problems to scientific notation. Aluminum-26 has a half-life of 740,000 years.

Convert the numbers used in the following problems to scientific notation. In its orbit around the sun, the earth moves a distance one and one half feet in about 0.0000316 second.

Convert the numbers used in the following problems to scientific notation. A subatomic particle called a neutral pion has a half-life of about 0.0000000000000001 second.

For the following exercises, perform the indicated operations. $$ -0.012-(-0.111)-(0.035) $$

For the following problems, convert the numbers from scientific notation to standard decimal form. A car traveling at an average speed will travel a distance about equal to the length of the smallest fingernail in \(3.16 \times 10^{-4}\) seconds.

Write the following expressions using only positive exponents. Assume all variables are nonzero. $$ 5 x^{3}\left(2 x^{-7}\right) $$