College Math CLEP Prep Practice Exam

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Unlock your mathematical potential and conquer the College Math CLEP exam with ease! Introducing our powerful College Math CLEP Prep Practice Exam, your ultimate tool for exam readiness.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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What is the circumference of a circle with radius 4 cm?

16 cm
64 cm
8 cm
32 cm

The correct answer is: 32 cm

The circumference of a circle is the distance around the edge of the circle, and it is calculated using the formula C = 2πr, where r is the radius of the circle. In this question, the radius is given as 4 cm. So, using the formula, we get C = 2π(4) = 8π cm. Option A (16 cm) and C (8 cm) are incorrect as they do not use the appropriate formula to find the circumference. Option B (64 cm) is incorrect as it is the incorrect unit of measurement. Option D (32 cm) is incorrect as it uses the incorrect value for π (pi). Therefore, the correct answer is D (8π cm) as it is the correct calculation and unit of measurement for the circumference of a circle with a radius of 4 cm.