Mathematics for Elementary Teachers with Activities, Loose-Leaf Version Plus MyLab Math -- Access Card Package (5th Edition)
5th Edition
ISBN: 9780134800196
Author: Sybilla Beckmann
Publisher: PEARSON
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Textbook Question
Chapter 4.4, Problem 14P
* Without using a calculator or computer and without simply multiplying longhand, calculate the product 9,999,999,999, .9,999,999,999. Give the answer in ordinary base-ten notation, showing all its digits. (Both numbers in the product have 10 nines.) Explain your method.
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Please sketch questions 1, 2 and 6
QUESTION 18 - 1 POINT
Jessie is playing a dice game and bets $9 on her first roll. If a 10, 7, or 4 is rolled, she wins $9. This happens with a probability of . If an 8 or 2 is rolled, she loses her $9. This has a probability of J. If any other number is rolled, she does not win or lose, and the game continues. Find the expected value for Jessie on her first roll.
Round to the nearest cent if necessary. Do not round until the final calculation.
Provide your answer below:
solve questions 3, 4,5, 7, 8, and 9
Chapter 4 Solutions
Mathematics for Elementary Teachers with Activities, Loose-Leaf Version Plus MyLab Math -- Access Card Package (5th Edition)
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Ch. 4.2 - Mary says that 103.7=3.70. Why might Mary think...Ch. 4.2 - Now that you understand why multiplying a number...Ch. 4.2 - a. Find the decimal representation of 137 to at...Ch. 4.2 - Find the decimal representation of 141 to at least...Ch. 4.3 - There are 31 envelopes with 3 stickers in each...Ch. 4.3 - Here is Amy’s explanation for why the commutative...Ch. 4.3 - Using the definition of multiplication, explain...Ch. 4.3 - Use the definition of multiplication to explain...Ch. 4.3 - Figure A in Figure 4.21 I shows a 5-unit- high,...Ch. 4.3 - Write three different expressions for the total...Ch. 4.3 - Suppose you have 60 pennies arranged into 12...Ch. 4.3 - To calculate 3.80 mentally, we can just calculate...Ch. 4.3 - Write equations to show how the commutative and...Ch. 4.3 - Explain how to use the associative property of...Ch. 4.3 - Use the associative property of multiplication to...Ch. 4.3 - Explain how to make the following product easy to...Ch. 4.3 - Julia says that it’s easy to multiply a number by...Ch. 4.3 - Carmen says that it’s easy to multiply even...Ch. 4.3 - The Browns need new carpet for a room with a...Ch. 4.3 - If a roll of a certain kind of wrapping paper is...Ch. 4.3 - Ms. Dunn’s class wants to estimate the number of...Ch. 4.3 - Imagine that you are standing on a sandy beach,...Ch. 4.3 - A lot of gumballs are in a glass container. The...Ch. 4.3 - Figure 4.27 shows a grocery store display of cases...Ch. 4.3 - Use the facts that 1mile=1760yards 1yard=3feet...Ch. 4.3 - A roll of wrapping paper is 30 inches wide. When...Ch. 4.3 - Estimate how many neatly stacked hundred-dollar...Ch. 4.3 - * A cube that is 10 inches wide, 10 inches long,...Ch. 4.3 - * Investigate the following two questions, and...Ch. 4.3 - * The Better Baking Company is introducing a new...Ch. 4.4 - Ben and Charles are working on 4+3.2.10 Ben says...Ch. 4.4 - a. There are 6 cars traveling together. Each car...Ch. 4.4 - The students in Mrs. Black’s class are arranged as...Ch. 4.4 - Describe one collection of things whose total...Ch. 4.4 - There are 6 cars traveling together. Each car has...Ch. 4.4 - Draw arrays to help you explain why the equations...Ch. 4.4 - Explain how to use the distributive property to...Ch. 4.4 - Explain how to calculate 29 .20 mentally by using...Ch. 4.4 - Ted thinks that because 10.10=100and2.5=10, he...Ch. 4.4 - Working on the multiplication problem 21. 34,...Ch. 4.4 - Use the distributive property several times to...Ch. 4.4 - In Section 4.2, we drew pictures of bundled...Ch. 4.4 - *a. Use an ordinary calculator to calculate 666,...Ch. 4.4 - * Without using a calculator or computer and...Ch. 4.4 - * Check the following:...Ch. 4.4 - Determine which of the following two numbers is...Ch. 4.4 - * The square of a number is just the number times...Ch. 4.4 - * The square of a number is just the number times...Ch. 4.5 - Josh consistently remembers that 77=49 , but he...Ch. 4.5 - Demarcus knows his 1,2,and3 multiplication tables....Ch. 4.5 - Suppose that a student has learned the following...Ch. 4.5 - For each of the multiplication problems (a)...Ch. 4.5 - Suppose that the sales tax where you live is 6%....Ch. 4.5 - Clint and Sue went out to dinner and had a nice...Ch. 4.5 - Your favorite store is having a 10%-off sale,...Ch. 4.5 - AThe exchanges that follow are taken from...Ch. 4.5 - Here is Marco’s method for calculating 38 60: Four...Ch. 4.5 - Jenny uses the following method to find 28% of...Ch. 4.5 - Use properties of arithmetic to calculate 35% of...Ch. 4.5 - Use the distributive property to make it easy for...Ch. 4.5 - Tamar calculated 41 41 as follows: Four 4s is 16,...Ch. 4.5 - Here is how Nya solved the problem 34.72: Half of...Ch. 4.5 - a. Lindsay calculates two-fifths of 1260 by using...Ch. 4.5 - While working on the multiplication problem 38 ....Ch. 4.5 - There is an interesting mental technique for...Ch. 4.5 - * Try out this next mathematical magic trick. Do...Ch. 4.6 - Solve the multiplication problem 896_ in three...Ch. 4.6 - Solve the multiplication problem 7684_ in three...Ch. 4.6 - Solve the multiplication problem 43237_ in three...Ch. 4.6 - When we multiply 2637_ by using the common method,...Ch. 4.6 - a. Use the partial-products method to calculate...Ch. 4.6 - a. Use the partial-products method to calculate...Ch. 4.6 - a. Use the partial-products and common methods to...Ch. 4.6 - a. Draw an array on graph paper, and use your...Ch. 4.6 - Solve the multiplication problem 2327 by writing...Ch. 4.6 - a. Use the partial-products and common methods to...Ch. 4.6 - a. Use the common method to calculate 2437 b. On...Ch. 4.6 - The lattice method is a technique that is...Ch. 4.6 - The following method for multiplying 2123 relies...
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