Question

Maria is playing a video game. She earns 15 points when she completes Level 1. Each time she completes a level, she earns twice as many points as the previous level.
How many points will Maria earn when she completes Level 8?



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Answer 1

Maria will earn 1,920 points

Answer 2

540 points,
15 points for the first, 30 for the second, 45, 60, 75, 90, 105, 120 for the eighth, added up it equals 540