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Contemporary's GED Mathematics

Decimals

# Chapter Review Quiz

## Directions:

Choose the best answer to each problem. You may use any of the formulas on page 439 of Contemporary’s GED Mathematics that you need. Refer to pages 75–102 if you need additional help. You may also use a calculator. When you have finished the quiz, click on Submit Answers to receive feedback and results. You may also choose to e-mail your results to your instructor.

 1 The digit 6 in the number 0.936 is equal to which of the following? A) six tenths B) six hundredths C) six thousandths D) six ten-thousandths E) six hundred-thousandths 2 Write three thousand forty-eight ten-thousandths in decimal form. A) 0.03048 B) 0.3048 C) 0.348 D) 3000.48 E) 0.0348 3 Below are the weights of four parcels. Arrange the parcels in order from lightest to heaviest. Parcel A = 0.04 kg Parcel B = 0.44kg Parcel C = 0.404 kg Parcel D = 0.045 kg A) BCDA B) ABCD C) ABDC D) ADCB E) CBDA 4 From a board that was 2 meters long, Matt cut a piece that was 1.65 meters long. Assuming no waste, how long was the remaining piece? A) 3.65 m B) 2.35 m C) 1.35 m D) 0.65 m E) 0.35 m 5 Find the product of 5.09 and 1.4 rounded to the nearest tenth. A) 7.126 B) 7.13 C) 7.1 D) 7 E) 10 6 What is the square root of 0.0144? A) 1.2 B) 0.12 C) 0.012 D) 0.0012 E) 7.2 7 In its orbit around the Sun, Mars is 154,900,000 miles from the Sun at its most distant point. Express this distance in miles in scientific notation. A) 1.549 x 108 B) 15.49 x 107 C) 154.9 x 106 D) 1.549 x 105 E) 1.549 x 104 8 Fran’s electric utility provider charges 15.088 cents per kilowatt hour of electricity. In a month when she uses 236 kilowatt hours of electricity, how much must she pay? A) \$356.08 B) \$35.61 C) \$3.56 D) \$0.36 E) \$0.04 9 Shirley drove 295 miles with 13 gallons of gasoline in the tank of her car. Find her gas mileage in miles per gallon to the nearest tenth. A) 19.4 B) 20.0 C) 22.7 D) 25.0 E) 27.0 10 A batting average is the number of hits a player got divided by the number of times he was at bat. The answer should be rounded to the nearest thousandth. What is the batting average of a player who was at bat 454 times and got 161 hits? A) .283 B) .293 C) .300 D) .323 E) .355