91Ó°ÊÓ

Factor each expression. $$6+3 y$$

CHALLENGE Is it true that \(\frac{23}{53}=\frac{23}{53}\) or \(\frac{2}{5} ?\) Explain why or why not.

Write each decimal using a negative exponent. $$0.01$$

For Exercises 43 and \(44,\) consider the pattern \(7,14,21,28,35, \dots\) Write the next two terms in the pattern.

Write each decimal using a negative exponent. $$0.00001$$

Find each product or quotient. Express using exponents. $$10 x^{3} y \cdot\left(-2 x y^{2}\right)$$

Find the GCF of each set of monomials. $$32 m n^{2}, 16 n, 12 n^{3}$$

NUMBER THEORY Two numbers are relatively prime if their only common factor is \(1 .\) Determine whether the numbers in each pair are relatively prime. Write yes or no. 7 and 8

Find the GCF of each set of numbers or monomials. $$25 a, 30 b$$

Use the Product of Power and Quotient of Power rules to simplify each expression. $$x^{-2} \cdot x^{-3}$$