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10.5 Exercise 158

Avg difficulty 2.5

Calculator display Many calculators automatically show answers in scientific notation if there are more digits than can fit in the calculator’s display. To find the number of ways Barbara could make a collage with 66 of her 5050 favorite photographs, she multiplied 50·49·48·47·46·45.50 \cdot 49 \cdot 48 \cdot 47 \cdot 46 \cdot 45 . Her calculator gave the answer 1.1441304×1010.1.1441304 \times 10^{10} . Write the number in decimal notation.

OpenStax Prealgebra 2e, 10.5 Integer Exponents and Scientific Notation, exercise 158

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Adapted from Prealgebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Prealgebra 2e. Imported at revision 77a933c.