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6.12: Proficiency Exam

Last updated

Jun 8, 2024
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- 6.11: Exercise Supplement
- 7: Ratios and Rates

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Proficiency Exam

Exercise $\PageIndex{1}$

The decimal digit that appears three places to the right of the decimal point is in the position.

Answer: thousandth

Exercise $\PageIndex{2}$

Write, using words, 15.036.

Answer: fifteen and thirty-six thousandths

Exercise $\PageIndex{3}$

Write eighty-one and twelve hundredths using digits. 81.12

Answer: 81.12

Exercise $\PageIndex{4}$

Write three thousand seventeen millionths using digits.

Answer: 0.003017

Exercise $\PageIndex{5}$

Convert 0.78 to a fraction. Reduce.

Answer: $\dfrac{39}{50}$

Exercise $\PageIndex{6}$

Convert 0.875 to a fraction. Reduce.

Answer: $\dfrac{7}{8}$

Exercise $\PageIndex{7}$

Round 4.8063 to the nearest tenth.

Answer: 4.8

Exercise $\PageIndex{8}$

Round 187.51 to the nearest hundred.

Answer: 200

Exercise $\PageIndex{9}$

Round 0.0652 to the nearest hundredth.

Answer: 0.07

For problems 10-20, perform each operation.

Exercise $\PageIndex{10}$

$15.026 + 5.971$

Answer: 20.997

Exercise $\PageIndex{11}$

$72.15 - 26.585$

Answer: 45.565

Exercise $\PageIndex{12}$

$16.2 \cdot 4.8$

Answer: 77.76

Exercise $\PageIndex{13}$

$10,000 \cdot 0.016$

Answer: 16

Exercise $\PageIndex{14}$

$44.64 \div 18.6$

Answer: 2.4

Exercise $\PageIndex{15}$

$0.21387 \div 0.19$

Answer: 1.1256

Exercise $\PageIndex{16}$

$0.\overline{27} - \dfrac{3}{11}$

Answer: 0

Exercise $\PageIndex{17}$

Convert $6 \dfrac{2}{11}$ to a decimal.

Answer: $6.\overline{18}$

Exercise $\PageIndex{18}$

Convert $0.5 \dfrac{9}{16}$ to a decimal.

Answer: 0.055625

Exercise $\PageIndex{19}$

$3 \dfrac{1}{8} + 2.325$

Answer: 5.45

Exercise $\PageIndex{20}$

$\dfrac{3}{8} \times 0.5625$

Answer: $\dfrac{27}{128}$ or 0.2109375

Proficiency Exam

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