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Simplify each expression below.  

  1. Multiply the two numbers. Be sure to count the total number of decimal places!

  1. Add the two numbers by lining up the decimal point in both numbers. Putting in 0's as place holders on the end of a number can help with lining up the decimals.

  1. See part (b). Remember this problem is subtraction though!

  1. See part (a).

  1. See part (b).