Operations on Rational and Irrational Numbers — Unit test Answers

What is the value of the expression if ?

The price of grapes at the grocery store is $1.44 per pound. There are approximately 0.45 kilograms in a pound. To the nearest cent, what is the price of grapes in dollars per kilogram?

The product of a non-zero rational number and an irrational number can always be written as

Why is the product of a rational number and an irrational number irrational?

Which inequalities are true? Select the four correct answers.

A family uses 12,986.64 Swiss francs per year to pay a mortgage that requires US dollars. Approximately how much, in US dollars, does the family spend per month on the mortgage?1 US dollar = 0.9019 Swiss francs1 Swiss franc = 1.11 US dollar

This year, Nelson planted 6 more than one-fifth of the tomato plants he planted last year. Which expression represents the number of tomato plants he planted this year?

Which of the following expresses as a fraction in simplest form?

Mia jogs 3 kilometers in 20 minutes. There are about 0.6 miles in a kilometer. What is Mia’s approximate speed in miles per minute?

After substituting, what is the first step when evaluating when ?

Karim wants to buy a shirt that normally sells for $46.50. It is on sale for off. How much does Karim need to pay to buy the shirt on sale?

Avi’s dining room measures 124 square feet and is in the shape of a square. Which is the best estimate of the length of one side of the room, to the nearest tenth of a foot?

Parker is planning for a school picnic. He would like to have 2 hot dogs per person and 15 extra on hand. How many hot dogs does he need if there are 116 students and 8 teachers?