91Ó°ÊÓ

Find each product or quotient. Express using exponents. $$\frac{(-x)^{5}}{(-x)}$$

Twelve ounces is what part of a pound? (Hint: \(1 \mathrm{lb}=16 \mathrm{oz}\) )

the product of nine to the fourth power and nine cubed

Order each set of numbers from least to greatest. $$2.81 \times 10^{4}, 2805,2.08 \times 10^{5}, 3.2 \times 10^{4}, 3024$$

Write each fraction as an expression using a negative exponent other than \(-1\) $$\frac{1}{16}$$

Find the GCF of each set of monomials. $$14 b, 56 b^{2}$$

TIME Fifteen hours is what part of one day?

Factor each monomial. $$-75 a b^{2}$$

Which One Doesn't Belong? Identify the fraction that does not belong with the other three. Explain your reasoning. $$\frac{6 y}{5}$$ $$\frac{4}{7}$$ $$\frac{1}{x^{2}}$$ $$\frac{15}{12}$$

Convert the numbers in each expression to scientific notation. Then evaluate the expression. Express in scientific notation and in standard notation. $$\frac{(0.078)(8.5)}{(0.16)(250,000)}$$