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McGraw-Hill Math Grade 7 Answer Key Lesson 12.3 Dividing Decimals by Decimals
Exercises Divide
Round to the nearest ten-thousandth.
Question 1.
Answer:
11.2÷-4.5 = -002.488.
Explanation:
The quotient of 11.2÷-4.5 is -002.488, so the nearest ten thousand will be -2.4889.
Question 2.
Answer:
5.7÷2.5 is 2.28000.
Explanation:
The quotient of 5.7÷2.5 is 2.28000, so the nearest ten thousand will be 2.2800.
Question 3.
Answer:
88.3÷8.1 = 10.90123.
Explanation:
The quotient of 88.3÷8.1 is 10.90123, so the nearest ten thousand will be 10.9012.
Question 4.
Answer:
4.5÷2.1 = 02.14285.
Explanation:
The quotient of 4.5÷2.1 is 02.14285, so the nearest ten thousand will be 2.1429.
Question 5.
Answer:
5.98÷7.88 is 0.75888.
Explanation:
The quotient of 5.98÷7.88 is 0.75888, so the nearest ten thousand will be 0.7589.
Question 6.
Answer:
17.1÷2.33 is 7.33905.
Explanation:
The quotient of 17.1÷2.33 is 7.33905, so the nearest ten thousand will be 7.3390.
Question 7.
Answer:
8.56÷-2.3 = -3.72173.
Explanation:
The quotient of 8.56÷-2.3 is -3.72173, so the nearest ten thousand will be -3.7217.
Question 8.
Answer:
5.12÷2.222 = 02.30423.
Explanation:
The quotient of 5.12÷2.222 is 02.30423, so the nearest ten thousand will be 02.3042.
Question 9.
Answer:
4.6÷3.41 = 01.34897.
Explanation:
The quotient of 4.6÷3.41 is 01.34897, so the nearest ten thousand will be 1.3490.
Question 10.
Answer:
6.54÷-2.11 is -3.09952.
Explanation:
The quotient of 6.54÷-2.11 is -3.09952, so the nearest ten thousand will be -3.0995.
Question 11.
Answer:
6.01÷2.37 = 02.53586.
Explanation:
The quotient of 6.01÷2.37 is 02.53586, so the nearest ten thousand will be 02.5359.
Question 12.
Answer:
6.44÷5.55 = 1.16036.
Explanation:
The quotient of 6.44÷5.55 is 1.16036, so the nearest ten thousand will be 1.1603.
Question 13.
Answer:
9.1÷3.03 is 3.00330.
Explanation:
The quotient of 9.1÷3.03 is 3.00330, so the nearest ten thousand will be 3.0033.
Question 14.
Answer:
987.1÷2.1 is 470.04761.
Explanation:
The quotient of 987.1÷2.1 is 470.04761, so the nearest ten thousand will be 470.0476.
Question 15.
Answer:
8.89÷3.71 = 2.39622.
Explanation:
The quotient of 8.89÷3.71 is 2.39622, so the nearest ten thousand will be 2.3962.
Question 16.
Answer:
56.98÷-2.45 = -23.25714.
Explanation:
The quotient of 56.98÷-2.45 is -23.25714, so the nearest ten thousand will be -23.2571.
