Page 367 - Basic College Mathematics with Early Integers

344 C HAPTE R 4 I DECIMALS

(4.2) Add.

25. 2.4 + 7.1 26. 3.9 + 1.2 27. -6.4 + 1-0.882

28. -19.02 + 6.98 29. 200.49 + 16.82 + 103.002 30. 0.00236 + 100.45 + 48.29

Subtract.

31. 4.9 - 3.2 32. 5.23 - 2.74 33. -892.1 - 432.4

34. 0.064 - 10.2 35. 100 - 34.98 36. 200 - 0.00198

Solve.

37. Find the total distance between Grove City and 38. Evaluate x - y for x = 1.2 and y = 6.9 .
Jerome.

6.7 miles
63
55 Pyramid
Grove 19.9 miles
City
15.1 miles
Jerome
Coin Alanthus
10.9 miles
39. Find the perimeter. 40. Find the perimeter.
6.2 inches
11.8 ft 12.9 ft

Rectangle 4.9 inches
14.2 ft

(4.3) Multiply.

41. 7.2 * 10 42. 9.345 * 1000 43. -34.02 * 2.3 44. -839.02 * (-87.3)

Find the exact circumference of each circle.Then use the approximation 3.14 for and approximate the circumference.p

45. 46.
7 meters 20 inches

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(4.4) Divide. Round the quotient to the nearest thousandth if necessary.

47. 30.2631 48. 20316.5 49. -21 , (-0.3) 50. -0.0063 , 0.03