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Answers (1)
Formula: an= 5(2^n) Day 1: a1=5(2^1)=10 Day 2: a2=5(2^2)=20 Day 3: a3=5(2^3)=40 Day 14:a14=5(a^15)=81,920 He will run 81,920 feet = 15.5 miles Add all: 10+20+30+...+81,920= 163,830 He will run a total of 163,830 feet = 31 miles Thumbs up if it helps
