Mathematics, 20.11.2020 04:10 cedavenport1277

Keegan and Jeff did some research and found that there are approximately 7,492,000,000,000,000,000 grains of sand on Earth. Jeff says that it is about 7 × 10^15 grains of sand. Keegan says that this is about 7 × 10^18 grains of sand. A. How might Jeff have determined his estimate? How might Keegan have determined his estimate?

B. Whose estimate, Jeff’s or Keegan’s, is more logical? Explain.

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Keegan and Jeff did some research and found that there are approximately 7,492,000,000,000,000,000 g...