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Copyright © Swun MathCopyright © Swun Math Grade 8 Unit 3 Lesson 3 C TE

Homework

Unit 3 · Lesson 3: Scientific Notation:
Add & Subtract

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Directions: Simplify. Write the sum or the difference in scientific notation.

1. (1.389 × 10^4 ) + (3.56 × 10^4 ) 2. (9.61 × 10-^3 ) – (4.68 × 10-^3 )


2. (4.2 × 10-^2 ) – (2.66 × 10-^2 ) 4. (3.56 × 10^5 ) – (1.6 × 10^5 )


3. (1.53 × 10^3 ) + (1.379 × 10^3 ) 6. (4.65 × 10^2 ) – (3.65 × 10^2 )