Latest exam Aptitude Question SOLUTION: refer to the following pattern and answer questions 1=2^1 - 1 1+2=2^2-1 1+2+2^2=2^3-1 1+2+2^2+2^3=2^4-1 1+2+2^2+2^3+2^4=2^5-1 A. Write a simpler expression for 1

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refer to the following pattern and answer questions

1=2^1 - 1
1+2=2^2-1
1+2+2^2=2^3-1
1+2+2^2+2^3=2^4-1
1+2+2^2+2^3+2^4=2^5-1

A. Write a simpler expression for 1+2+2^2+2

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