Podcast
Questions and Answers
What is the correct value of $5.6 imes 10^3$?
What is the correct value of $5.6 imes 10^3$?
- 5,600 (correct)
- 560,000
- 560
- 56,000
How many books were sold in total from Thursday to Saturday?
How many books were sold in total from Thursday to Saturday?
- 396
- 372
- 364
- 378 (correct)
Which day had the highest number of books sold?
Which day had the highest number of books sold?
- Friday
- Saturday (correct)
- Thursday
- The total for the three days
If the price of the mystery novel is $24, how much revenue did the bookstore generate from selling 103 books on Friday?
If the price of the mystery novel is $24, how much revenue did the bookstore generate from selling 103 books on Friday?
What is the correct interpretation of the equation $5.6 imes 10^3 = 560$?
What is the correct interpretation of the equation $5.6 imes 10^3 = 560$?
Which expression is equivalent to $3 \times 103$?
Which expression is equivalent to $3 \times 103$?
What is the total number of songs Teresa has?
What is the total number of songs Teresa has?
If Rosanne has 142 songs, how many more does Teresa have compared to Rosanne?
If Rosanne has 142 songs, how many more does Teresa have compared to Rosanne?
How can you express Teresa's total number of songs using Rosanne's total?
How can you express Teresa's total number of songs using Rosanne's total?
If Teresa had one fewer set of songs, how many would she then have?
If Teresa had one fewer set of songs, how many would she then have?
What is the total revenue from sales of the mystery novel on Saturday?
What is the total revenue from sales of the mystery novel on Saturday?
Which equation represents the calculation of sales for books sold on Friday?
Which equation represents the calculation of sales for books sold on Friday?
If sales on Sunday were 116 books, what would be the dollar amount of sales?
If sales on Sunday were 116 books, what would be the dollar amount of sales?
What was the total number of books sold from Thursday to Sunday?
What was the total number of books sold from Thursday to Sunday?
What is the difference in revenue between sales on Saturday and sales on Friday?
What is the difference in revenue between sales on Saturday and sales on Friday?
How many hours does Dr. Peterson work in a year?
How many hours does Dr. Peterson work in a year?
If Brendan and Lea each ate 2 bananas, what is the total calorie consumption?
If Brendan and Lea each ate 2 bananas, what is the total calorie consumption?
What is the monthly work hour average for Dr. Peterson?
What is the monthly work hour average for Dr. Peterson?
How many calories are in 6 bananas?
How many calories are in 6 bananas?
What total number of hours will Dr. Peterson work if she takes off two months from work?
What total number of hours will Dr. Peterson work if she takes off two months from work?
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Study Notes
Equivalent Expressions
- 3 x 103 is equivalent to 3 x 1,000
Song Calculation
- Rosanne has 142 songs.
- Teresa has 11 times as many songs as Rosanne.
- Teresa has a total of 1562 songs (142 x 11 = 1562).
Equation Verification
- The equation 5.6 x 103 = 560 is incorrect.
- The correct answer is 5,600.
Mystery Novel Sales
- A mystery novel costs $24.
- On Saturday, the bookstore sold 157 books, generating $3768 in sales (157 books * $24/book = $3768).
- On Friday, the bookstore sold 103 books, generating $2472 in sales (103 books * $24/book = $2472).
Dr. Peterson's Work Hours
- Dr. Peterson works 178 hours each month.
- In a year, she works 2,136 hours (178 hours/month * 12 months/year = 2136 hours/year).
Banana Calories
- A banana contains 105 calories.
- Brendan and Lea ate 4 bananas last week for a total of 420 calories (105 calories/banana * 4 bananas = 420 calories).
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