# Multiplication of Rational Numbers

The multiplication of rational numbers is a fundamental operation in mathematics, essential for solving equations and understanding proportional relationships. Rational numbers, expressed as fractions of integers, encompass both integers and fractions, including decimals that terminate or repeat. Multiplying rational numbers involves multiplying their numerators and denominators separately, simplifying the resulting fraction if possible. This operation retains the properties of closure, commutativity, and associativity, ensuring consistency across calculations. Mastery of rational number multiplication is crucial for various mathematical applications, including geometry, algebra, and finance, providing a solid foundation for problem-solving and analytical thinking.

- How do you multiply #7/9*72#?
- There are 60 slices of cheesecake in 5 cheesecakes. If there are the same number of slices in each cheesecake, how many slices are in 8 cheesecakes?
- How do you multiply #0.31*69#?
- A magazine sales person earns $250 a week plus a a commission of 1/6 of the total sales. lf the total sales for the week were $693, what is the total that the sales person earned?
- Suppose you're a salesperson for Quark computer company. Each month you earn $500 plus one-sixth of your sales. What amount must you sell this month to earn $3000?
- How do you multiply and simplify #9 3/7* 5/6#?
- Belinda has a box of 24 bananas and 3/8 of them are ripe. How many ripe bananas does she have?
- How do you evaluate #93\times 58#?
- How do you evaluate #0.8\times - 3#?
- Mrs. Lau rolls out #2 3/4# feet of dough to make noodles, If the noodles are each #2/5# of an inch wide, how many noodles will she make?
- Last year at Roberts Middle School, 11/30 of the books in the library were more than 50 years old. At the end of the year, 1/10 of those books were given to charity. What fraction of all the books was given to charity?
- What is the product of 2.5 and 0.075?
- How do you write the product of #2/3times3/4#?
- How do you multiply 0.98 x 0.23?
- What is 3/5 times 7/9?
- A snail crawls 5/8 inch in 3/4 minute. What is the snails speed in inches per minute?
- A shirt is on sale for $25 at a local department store. The sales tax equals 1/25 of the shirt price. What is the total cost of the shirt including sales tax?
- How do we divide large numbers such as #(4.5xx10^4)# divided by #(3.0xx10^9)#?
- How do you multiply #4/3 times 678.24#?
- Camie is a high school student who agreed to babysit for the Munson family. She took care of their three children for 8 hours on Saturday at $7.50 per hour. What should the Munsons pay her when they return?