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## Calculations

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**Calculations**By: Ari Kohl**How to Calculate Area of a Circle**• ∏ radius squared.**How to Calculate Circumference**• ∏ diameter.**Exponential Notation**45 = 1,024 23 = 8**Jeopardy**½ T or F ½ Multiple Choice**100 Points Area of a circle**The radius is 7”. The diameter is 14”. What is the area? • 14” • 154” • 390” • 7,834”**200 Points Area of a circle**The radius is 5”. The circumference is 31.4”. What is the area? • 72” • 39” • 48” • 79”**300 Points Area of a circle**If the radius of this circle is 720” then the area is 2,160. T or F?**400 Points Area of a circle**The diameter is 7’ the radius is 3.5’. The area is 38. T or F?**100 Points Circumference**The radius is 5cm. What is the circumference? • 376cm • 34cm • 56cm • 31cm**200 Circumference**The diameter is 34”. The circumference is 123. T or F?**300 Circumference**The radius is 24”. What is the circumference? • 48” • 64” • 151” • 900”**400 Circumference**The diameter is 15. The circumference is 47. T or F?**100 Points Exponential Notation**Answer this yes or no question. 64 8^2 Y or N?**200 Points Exponential Notation**5^6= • 30 • 72 • 90 • 15,625**300 Points Exponential Notation**Answer this yes or no question. 49 7^7 Y or N?**400 Points Exponential Notation**7^8= • 56 • 78 • 92 • 5,764,801