Answer:
Answers and Solutions
1, 3, 7, 15, 31, ? Answer: 1=(2^1)-1; 3=(2^2)-1; 7=(2^3)-1; 15=(2^4)-1; 31=(2^5)-1; Thus, nth term=(2^n)-1; required term=6th term=(2^6)-1=63.16
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Answers & Comments
Answer:
Answers and Solutions
1, 3, 7, 15, 31, ? Answer: 1=(2^1)-1; 3=(2^2)-1; 7=(2^3)-1; 15=(2^4)-1; 31=(2^5)-1; Thus, nth term=(2^n)-1; required term=6th term=(2^6)-1=63.16