1) In 2005, the movie Harry Potter and the Goblet of Fire earned a total of $8.96 108 in worldwide box office sales. In 2011, Harry Potter and the Deathly Hallows Part 2 earned $1.34 109 in worldwide box office sales. Which movie earned more money overall? a) Harry Potter and the Goblet of Fire b) Harry Potter and the Deathly Hallows Part 2 2) Now let’s determine how many times more money Harry Potter and the Deathly Hallows Part 2 earned than Harry Potter and the Goblet of Fire. Select the operation that best completes the expression 1.34 109 ____ 8.96 108 a) + b) - c) x d) ➗ 3) Yup, we need to solve 1.34 x 109  ➗ 8.96 x 108.  To do that, first let's divide the decimals! (1.34 ➗ 8.96) a) 0.15 b) 1.09 c) 0.29 d) 6.68 4) Yes, 1.34 ➗ 8.96 = 0.15! Now, let's divide the powers of 10! (109 ➗ 108) = ? a) 100 b) 101 c) 10-1 d) 1017 5) Amazing! So, we are left with the number 0.15 x 101. Now, let's multiply 0.15 times 10, which equals ___. a) 0.015 b) 1.5 c) 15 d) 150 6) So,putting it altogether, Harry Potter and the Deathly Hallows Part 2 earned 1.5 times ____money than Goblet of Fire. a) more b) less

Addition & Division Scientific Notation

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