Operations on Decimals, Approximation, Real Numbers

Camille pays for 2 slices of cake with $90 and gets back $4 change. How much does 1 slice of cake cost?

• $47

• $43

• $45

• $86

Which of the following is NOT an irrational number?

• 0.666

• 3.141592

• 2.71828

• √7

-10 is all of the following EXCEPT:

• rational

• integer

• whole

• real

What is 2.4 ÷ 0.03?

• 80

• 8

• 2.37

• 23.7

What is 28 ÷ 0.4?

• 700

• 70

• 7

• 0.7

Calculate 0.306 x 0.6:

• 0.1836

• 0.001836

• 18.36

• 1.836

A farmer sells 6000 bushels of cotton for $3.55 a bushel. How much did the farmer receive?

• $20,700.00

• $213,000.00

• $21,300.00

• $207,000.00

Gustav earns $8.90 per hour at his job. He worked 15 hours last week. Calculate Gustav's pay before taxes.

• $133.95

• $133.50

• $133.53

• $133.77

Calculate 16.887 - 10.922

• 27.809

• 5.965

• 6.065

• 5.865

What is 201.9 + 0.82 + 76.67 + 38.6?

• 317.99

• 318.99

• 318

• 318.09