Survey

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Document related concepts

no text concepts found

Transcript

Name _______________________________________ Date __________________ Class __________________ LESSON 4-4 Review for Mastery Scientific Notation Standard Notation ( 430,000 0.0000057 Scientific Notation 1st factor is between 1 and 10. 2nd factor is an integer power of 10. 4.3 105 5.7 106 positive integer for large number negative integer for small number )( ) To convert from scientific notation, look at the power of 10 to tell how many places and which way to move the decimal point. Complete to write each in standard notation. 1. 4.12 106 2. 3.4 10-5 Is the exponent positive or negative? _______________ _______________ Move the decimal point right or left? How many places? _______________ _______________ Write the number in standard notation. _______________ _______________ Write each number in standard notation. 3. 8 105 ____________________________________ 4. 7.1 10-4 5. 3.14 108 ____________________________________ ___________________________________ To convert to scientific notation, determine the coefficient between 1 and 10. Then determine the power of 10 by counting from the decimal point in the coefficient to the decimal point in the given number. Complete to write each in scientific notation. 6. 32,000,000 7. 0.0000000712 What is the coefficient? _______________ ________________ From its location in the coefficient, which way must the decimal move to its location in the given number? How many places? _______________ ________________ Write the number in scientific notation. _______________ ________________ Write each number in scientific notation. 8. 41,000,000 ____________________________________ 9. 0.0000000643 ____________________________________ 10. 1,370,000,000 ___________________________________ Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. 36 Holt McDougal Mathematics Name _______________________________________ Date __________________ Class __________________ 4.4 Scientific vs. Standard Homework 1. How can you tell if a number is in scientific notation? 2. Complete the missing information in the table. Standard Form 1,230,000,000 Scientific Notation 7.459 * 10-5 2 * 108 .0000009 8.05 * 107 -0.0034 63,910,000 3.331 * 10-4 -2.081 * 105 .0000147 3. Circle the numbers that are in scientific notation below. If they are NOT in scientific notation, rewrite them so that they are. a. 12.8 * 105 b. 5.06 * 10-4 c. 8 * 107 d. .93 * 10-6 e. 308 * 10-5 f. 10.2 * 107 Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. 37 Holt McDougal Mathematics

Related documents