8A Unit 3 Test Corrections

Use the Product Rule to simplify $$8^2\cdot8^7$$ .

What is the numerical equivalent of $$2^2\cdot2^6$$

What's the missing exponent? $$9^{18}-9^?=9^{12}$$

What is the value of $$20-16^0$$ ?

Use the Power Rule of Exponents to create a simplified equivalent expression for $$\left(42^6\right)^{3\ }$$

Apply the Property of Negative Integer Exponents to generate an equivalent expression to $$\frac{8^{-6}}{7^{-2}}$$

Simplify $$\left(5^{-2}\right)^5$$ with an equivalent expression.

Simplify $$5^{-10}\cdot5^9$$

Generate an equivalent expression using positive exponents only for the expression $$\frac{5^{-1}}{3^{-3}}$$

Provide $$\frac{3^3}{5^1}$$ as an improper fraction.