Adding & Subtracting in Scientific Notation


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question 1 of 3

What is the first step in adding these two numbers:

(7.5 x 104) + (9.3 x 103)

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What is the correct answer for the following:

(8.1 x 103) + (8.1 x 103)


Solve the following problem:

(7.4 x 106) - (3.2 x 106)

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About This Quiz & Worksheet

In this quiz and worksheet combination, you can review the process of addition and subtraction in scientific notation. You are shown several problems involving numbers in scientific notation, and asked to solve them, as well as what the first steps are in solving them are.

Quiz and Worksheet Goals

Expect to find the following concepts in this combination quiz and worksheet:

  • The first steps in solving scientific notation problems
  • Practice problems with adding and subtracting in scientific notation
  • Simplifying the answers to scientific notation problems

Skills Practiced

  • Problem solving - use what you know to solve practice problems with scientific notation addition and subtraction
  • Information recall - remember what you have learned about the first steps in solving problems involving numbers in scientific notation
  • Knowledge application - utilize what you know to answer questions about simplifying your answers to scientific notation problems

Additional Learning

To find out more, visit the lesson titled Adding & Subtracting in Scientific Notation. With it, you can look at the following subjects:

  • Decimals vs. scientific notation
  • Practice with the addition of numbers in scientific notation
  • More examples of subtraction with numbers in scientific notation