Review of Introductory Mathematics SCIENTIFIC NOTATIONStep 2: 9.24 x 104+0.83x104Step 3: 10.07 x 104 = 1.007 x 105SubtractionIn order to subtract two numbers in scientific notation, the steps listed below must be followed.Step 1: As in addition, change all addends to have the same power of ten.Step 2: Subtract one digit from the other and keep the power of ten.Step 3: If necessary, rewrite the decimal with a single number to the left of thedecimal point.Example:Subtract (3.27 x 104) - (2 x 103)Solution:Step 1: 3.27 x 104 = 3.27 x 1042.00 x 103 = 0.20 x 104Step 2: 3.27 x 104-0.20x104Step 3: 3.07 x 104MultiplicationWhen multiplying two or more numbers in scientific notation, the following steps must be used.Step 1: Multiply the decimal numbers and obtain the product.Step 2: Multiply the powers of ten together by adding the exponents.Step 3: Put the product in single-digit scientific notation.Step 4: If necessary, rewrite decimal with a single number to the left of thedecimal point.Rev. 0 Page 71 MA-01
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