91Ó°ÊÓ

\(100-52.72=\) Write your answer in the blank.

The Earth's mass is \(5.9742 \times 10^{24}\) kilograms, while the moon's mass is \(7.36 \times 10^{22}\) kilograms. What is an estimate of the sum of the masses, expressed in scientific notation? A. \(1.33 \times 10^{24}\) B. \(1.39 \times 10^{24}\) C. \(6.05 \times 10^{24}\) D. \(1.33 \times 10^{24}\)

Ken Johnson's place is located 17.35 kilometers due west of the center of town on Route 17. Willy Hester's place is located 11.23 kilometers due west of the center of town, also on Route 17. How far from each other do the two neighbors live? A. 6.12 kilometers B. 14.28 kilometers C. 28.58 kilometers D. 45.58 kilometers