91Ó°ÊÓ

Write the following expressions using only positive exponents. Assume all variables are nonzero. $$ \frac{45 a^{4} b^{2} c^{6}}{15 a^{2} b^{7} c^{8}} $$

Write the following expressions using only positive exponents. Assume all variables are nonzero. $$ \frac{3^{3} x^{4} y^{3} z}{3^{2} x y^{5} z^{5}} $$

Find the product for the following problems. Write the result in scientific notation. $$ \left(9.3806 \times 10^{52}\right)\left(1.009 \times 10^{-31}\right) $$

Write the following expressions using only positive exponents. Assume all variables are nonzero. $$ \frac{21 x^{2} y^{2} z^{5} w^{4}}{7 x y z^{12} w^{14}} $$

Write the following expressions using only positive exponents. Assume all variables are nonzero. $$ \frac{33 a^{-4} b^{-7}}{11 a^{3} b^{-2}} $$

Write the following expressions using only positive exponents. Assume all variables are nonzero. $$ \frac{51 x^{-5} y^{-3}}{3 x y} $$

Write the following expressions using only positive exponents. Assume all variables are nonzero. $$ \frac{2^{6} x^{-5} y^{-2} a^{-7} b^{5}}{2^{-1} x^{-4} y^{-2} b^{6}} $$

Write the following expressions using only positive exponents. Assume all variables are nonzero. $$ \frac{(x+3)^{3}(y-6)^{4}}{(x+3)^{5}(y-6)^{-8}} $$

Write the following expressions using only positive exponents. Assume all variables are nonzero. $$ \frac{4 x^{3}}{y^{7}} $$

Write the following expressions using only positive exponents. Assume all variables are nonzero. $$ \frac{5 x^{4} y^{3}}{a^{3}} $$