Question: How to solve problem LESSON 22 Adding and Subtracting with Scientific Notation continued (4 X 102) + 120.5 8 (2.75 X 103) - 100 4,90

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How to solve problem LESSON 22 Adding and Subtracting with Scientific Notation

LESSON 22 Adding and Subtracting with Scientific Notation continued (4 X 102) + 120.5 8 (2.75 X 103) - 100 4,90 400 + 120.5 400 + 120.5 520.5 9 (9.5 X 102) - (4.3 X 101) 10 18 - (2 X 10-1) 11 0.071 + (6 X 10-2) 12 2,000 + (8 X 103) 13 When adding or subtracting with scientific notation, why is it important to have the same power of 10

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