Error Analysis: Marcus and Sara were given the following problem. Their work is shown in the table. The distance from the Sun to the Earth is about 150,000,000,000 meters. The speed of sound is about 3.4 x 10² meters per second. About how many seconds does it take for sound from Earth to reach the sun? Write your answer in standard notation, rounding to the nearest tenth. Marcus's Work (1.5 x 10¹¹) (3.4 x 10²) = = 1.5 x 1011 3.4 10² 15×10⁹ 3.4 =-1.9 x 10⁹ Sara's Work (1.5 x 10¹¹) (3.4 × 10²) 1.5 1011 3.4 10² 1.5 3.4 ×1013 =-0.4 x 1013 Review Marcus's and Sara's work. Make any corrections to help them learn from their mistakes.
