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A \({7^{98}}\) 

B \({7^{100}}\)

C \({7^{99}}\)

D Đáp án khác

A \({3^{2018}}\)

B \({2^{2018}}\)

C \({3^{2019}}\) 

D \({2^{2019}}\)

A \({10^{98}}\)

B \({10^{100}}\) 

C \({10^{99}}\)    

D Đáp án khác

A \( - 1\)

B \(1\) 

C \({\left( { - 3} \right)^n}\)

D \({3^n}\)

A \(- 1\)  

B \(1\)  

C \(0\) 

D \({3^{2018}}\)

A \( - 1\)    

B \(1\)

C \(0\) 

D \({3^{99}}\)

A \(S = {2^n} - 2n + 2\) 

B \(S = {2^n} - 2\)   

C \(S = {2^n} - 2n - 2\) 

D \(S = {2^n} + n - 1\)

A \(S = {2^{2017}} - 2\)      

B \(S = {2^{2016}}\) 

C  \(S = {2^{2015}}\)      

D \(S = {2^{2014}}\)

A \(S = {2^{2016}} - 2018\)

B  \(S = {2^{2016}}\)     

C \(S = {2^{2016}} - 2017\)  

D \(S = {2^{2016}} + 2017\)

A \(C_n^0 + C_n^1 + C_n^2 + C_n^3 + ... + C_n^{n - 2} + C_n^{n - 1} + C_n^n = {2^n}\)

B \(C_{2n}^0 + C_{2n}^1 + C_{2n}^2 + C_{2n}^3 + ... + C_{2n}^{2n - 2} + C_{2n}^{2n - 1} + C_{2n}^{2n} = {4^n}\)

C \(C_{3n}^0 + C_{3n}^1 + C_{3n}^2 + C_{3n}^3 + ... + C_{3n}^{3n - 2} + C_{3n}^{3n - 1} + C_{3n}^{3n} = {9^n}\)

D \(C_{4n}^0 + C_{4n}^1 + C_{4n}^2 + C_{4n}^3 + ... + C_{4n}^{4n - 2} + C_{4n}^{4n - 1} + C_{4n}^{4n} = {16^n}\)

A \({10^8}\)

B \({9^8}\) 

C  \({11^8}\) 

D \({8^8}\)

A \({12.7^9}\)   

B \({9.7^9}\)

C \({7^{10}}\)                      

D \({7^9}\)

A \({12.7^9}\)

B \({9.7^9}\)

C \({7^{10}}\)  

D \({7^9}\)

A \(n = 5\)     

B \(n = 4\)   

C \(n = 3\)    

D \(n = 6\)

A \(n = 8\) 

B \(n = 9\)

C \(n = 10\)

D \(n = 11\)  

A \(n = 5\)  

B \(n = 4\)

C \(n = 3\)

D \(n = 6\)

A \(n = 9\)

B \(n = 7\)       

C \(n = 8\)   

D \(n = 6\)

A \(n = 9\)      

B \(n = 7\)

C \(n = 8\)   

D \(n = 6\)

A \(S = n{.2^n}\) 

B \(S = {2^{n + 1}}\)

C \(S = n{.2^{n - 1}}\)

D \(S = {2^{n - 1}}\)