Problem:	To solve this problem...
18.2 - .4	Write the first decimal above the other, lining up the decimals. Put in zeroes where they are missing.

Enter your answer:
Your answer may be in any of the following forms:

• Integer (positive,negative,zero)
• Decimal (must be accurate to 4 places)
• Fraction (e.g., '3/4')
• Mixed number (e.g., '4 3/4')
• Scientific notation (e.g., '1.2e-02')
• Single words, correctly spelled (e.g.,'isosceles')