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A-56.

Simplify each expression. In parts (e) through (f) write the final answer in scientific notation.

  1. If you wrote out all the factors of , how many would you have? What shortcut can you use?

  1. Multiply the exponents and simplify.

  1. Look at part (a) - use the exponent rule(s).

  1. Look at part (b) - use the exponent rule(s).

  1. Use the Commutative and Associative properties of multiplication to rewrite the problem.

  1. Rewrite the fraction using the Commutative and Associative properties.
    Then simplify each fraction and convert to scientific notation.