Answer:
716.31454 and 228.01π
Step-by-step explanation:
Area = πr^2
π · 15.1^2 ≈ 716.31454
Area in terms of pi = 228.01π
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5 x 10^5 = 500,000
2 x 10^5 = 200,000
The scientific notation 5 x 10^5 is 2.5 times greater than the scientific notation of 2 x 10^5.
