Math Calculations and Equivalences
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Questions and Answers

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?

  • 396
  • 372
  • 364
  • 378 (correct)
  • 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?

    <p>$2,392</p> Signup and view all the answers

    What is the correct interpretation of the equation $5.6 imes 10^3 = 560$?

    <p>It demonstrates a misunderstanding of scientific notation.</p> Signup and view all the answers

    Which expression is equivalent to $3 \times 103$?

    <p>$3 \times 1,000$</p> Signup and view all the answers

    What is the total number of songs Teresa has?

    <p>1562</p> Signup and view all the answers

    If Rosanne has 142 songs, how many more does Teresa have compared to Rosanne?

    <p>1420</p> Signup and view all the answers

    How can you express Teresa's total number of songs using Rosanne's total?

    <p>$11 \times \text{(Rosanne's songs)}$</p> Signup and view all the answers

    If Teresa had one fewer set of songs, how many would she then have?

    <p>1561</p> Signup and view all the answers

    What is the total revenue from sales of the mystery novel on Saturday?

    <p>$3768</p> Signup and view all the answers

    Which equation represents the calculation of sales for books sold on Friday?

    <p>103 books * $24/book</p> Signup and view all the answers

    If sales on Sunday were 116 books, what would be the dollar amount of sales?

    <p>$2784</p> Signup and view all the answers

    What was the total number of books sold from Thursday to Sunday?

    <p>474</p> Signup and view all the answers

    What is the difference in revenue between sales on Saturday and sales on Friday?

    <p>$1280</p> Signup and view all the answers

    How many hours does Dr. Peterson work in a year?

    <p>2,136</p> Signup and view all the answers

    If Brendan and Lea each ate 2 bananas, what is the total calorie consumption?

    <p>420 calories</p> Signup and view all the answers

    What is the monthly work hour average for Dr. Peterson?

    <p>178 hours</p> Signup and view all the answers

    How many calories are in 6 bananas?

    <p>630 calories</p> Signup and view all the answers

    What total number of hours will Dr. Peterson work if she takes off two months from work?

    <p>1,824 hours</p> Signup and view all the answers

    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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    Description

    This quiz covers various mathematical concepts including equivalent expressions, basic calculations, and equation verification. Explore how to verify equations and calculate totals based on given scenarios. Perfect for reinforcing arithmetic skills and understanding practical applications of math.

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