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Published byBernadette Newton Modified over 5 years ago

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Complete the Following Table

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From the Previous Table… What patterns do you notice in the table? How can you tell how many zeros are in a number based on the power of 10?

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How wide is our universe? 210,000,000,000,000,000,000,000 miles (22 zeros) This number is written in standard notation. When numbers get this large, it is easier to write them in scientific notation.

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Does anyone remember how to write a number in SCIENTIFIC NOTATION based on your science class or 6 th grade math class?

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Scientific Notation A number is expressed in scientific notation when it is in the form a x 10 n where a is between 1 and 10 and n is an integer

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Write the width of the universe in scientific notation. 210,000,000,000,000,000,000,000 miles Where is the decimal point now? After the last zero. Where would you put the decimal to make this number be between 1 and 10? Between the 2 and the 1

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2. 10,000,000,000,000,000,000,000. How many decimal places did you move the decimal? 23 When the original number is more than 1, the exponent is positive. The answer in scientific notation is 2.1 x 10 23

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1) Express 0.0000000902 in scientific notation. Where would the decimal go to make the number be between 1 and 10? 9.02 The decimal was moved how many places? 8 When the original number is less than 1, the exponent is negative. 9.02 x 10 -8

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Write 28750.9 in scientific notation. 1.2.87509 x 10 -5 2.2.87509 x 10 -4 3.2.87509 x 10 4 4.2.87509 x 10 5

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2) Express 1.8 x 10 -4 in standard notation. 0.00018 3) Express 4.58 x 10 6 in standard notation. 4,580,000

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Scientific Notation Examples Determine whether each of the following numbers is written in scientific notation? Explain.

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Scientific Notation Write each number in scientific notation. 4) 62,400 5) 0.00085 6) 1,602,000

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Standard Notation Write each number in standard notation.

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