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Operations with Numbers in Scientific Notation

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Common Core For Grade 8

Examples, solutions, and videos to help Grade 8 students practice operations with numbers expressed in scientific notation and standard notation.

New York State Common Core Math Grade 8, Module 1, Lesson 10.

Download Worksheet for Common Core Grade 8, Module 1, Lesson 10

Student Outcomes

Students practice operations with numbers expressed in scientific notation and standard notation.

Lesson 10 Examples

Example 1: The world population is about 7 billion. There are 4.6 x 107 ants for every human on the planet. About how many ants are there in the world?

Example 2: A certain social media company processes about 990 billion “likes” per year. If the company has approximately (8.9 x 108) users of the social media, about how many “likes” is each user responsible for per year? Write your answer in scientific and standard notation.

Example 3: In 2010, Americans generated 2.5 x 108 tons of garbage. Some of it was recycled and composted, while the rest was sent to landfills. There are about landfills in the United States. Assuming that each landfill is the same size and that trash is divided equally among them, determine how many tons of garbage were sent to each landfill in 2010.

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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