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5-11.

Solve the following equations, if possible. Some you can solve exactly, others approximately. If a solution is not possible, explain how you know. Homework Help ✎

  1. No solution. Explain why.

  1. 81 and 27 can both be rewritten as powers of 3.

    Square root is the same as an exponent of . Simplify the exponents and solve for .

  1. You will need to approximate a solution.

  1. Rewrite the equation using powers of 5.

  1. Rewrite the equation using powers of 2.