In this lesson, we will look at some examples of adding and subtracting numbers in scientific notation (Scientific notation is called standard form in the UK)
Related Topics: More Scientific Notation Lessons
Step 1: Adjust the powers of 10 in the 2 numbers so that they have the same index. (Tip: It is easier to adjust the smaller index to equal the larger index).
Step 2 : Add or subtract the numbers.
Step 3 : Give the answer in scientific notation.
Evaluate 2 × 103 + 3.6 × 104, giving your answer in scientific notation.
Evaluate 7 × 105 – 5.2 × 104, giving your answer in scientific notation.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.