There are five basic themes in geography - location, place, human-environment interaction, movement, and region. Welcome to Unit 4 - Geography and the World! World Geography accounts for about 15% of the questions you'll see on the test.
GED: Social Studies - Unit 4: Geography and the World We'll work with graphs, and we'll explore consumer economics. In this unit, we'll cover the basics of both micro and macroeconomics. Economics accounts for about 15% of the questions you'll see on the test. And while we won't be able to cover every detail, you should have a sense of what happened, and how various events shaped our country. In this unit, we'll identify and explore some of those major periods. They'll cover the time period from exploration and colonization through modern time. United States history makes up about 20% of the questions you'll see on the test. Welcome to Unit 2: United States History. You may want to search Simpsons Power of 10 to see it at home.GED: Social Studies - Unit 2: United States History com/watch?v=圜fDRvDWid0&mode=related&search= There’s shorter version of this on YouTube featuring The Simpsons.
videoplay ? docid =8095482682672703968&pr= goog - sl Click on the link to play the movie: youtube. If there’s time, there’s a link is a 9 minute video about powers of ten on the next slide. Practice writing numbers in scientific notation and in standard form. Now turn to the scientific notation page in your packet. (2) Move decimal point to LEFT for NEGATIVE exponent of 10.Įxample: 5.024 x 10 3 answer: 5,024 (3 places to right) Positive exponent- move decimal to the right.ġ.015 x 10 -8 answer: 0.00000001015 (8 places to left) Negative exponent- move decimal to the left. To Change from Scientific Notation to Standard Form: (1) Move decimal point to RIGHT for POSITIVE exponent of 10. That means the first number before the decimal point can be 1, 2, 3, 4, 5, 6, 7, 8, or 9. Ġ.000789 Use 7.89 (moved 4 decimal places) answer: 7.89 x 10 -4 The original number was less than 1 so the exponent is negative. (3) If the original number was less than 1, the exponent is negative if the original number was greater than 1, the exponent is positive.Ĥ,750,000 Use 4.75 (moved 6 decimal places) answer: 4.75 X 10 6 Example: The original number was greater than 1 so the exponent is positive. (2) Count number of decimal places the decimal has 'moved' from the original number. To Change from Standard Form to Scientific Notation: (1) Place decimal point such that there is one non-zero digit to the left of the decimal point. POWERS OF 10 Notice that the negative powers are decimals. the first number is greater than one but less than ten and the second number is a power of 10.
Scientific Notation is a way of writing a number as a multiplication problem where…. a way to express very small or very large numbers that is often used in 'scientific' calculations where the analysis must be very precise.
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