 
<translate> Ajụjụ: A na-eji mkpụrụ akwụkwọ atọ, mkpụrụ akwụkwọ anọ, ma ọ bụ mkpụrụ akwụkwọ ise akọwa ihe nile e ji ede ego n'otu ụlọ ahịa. A na-eji mkpụrụ akwụkwọ iri abụọ na isii nke mkpụrụ akwụkwọ abịakọta ha. Kedu n'ime ihe ndị a na-enye ọnụ ọgụgụ kachasị elu nke nkekọ dị iche iche nwere ike iji koodu ndị a mee ihe? Nhọrọ: (A) 26^3 + 26^4) (B) 26^3 + 26^5) (C) 27{\displaystyle 26^{3}+26^{5}) (D) 27{\26^3} + 26^5 (E) 26^3 + 27(26^5) Ka anyị buru ụzọ chee echiche. Ụfọdụ echiche na-enweghị isi: <eng> Question: All of the bonds on a certain exchange are designated by a 3-letter, a 4-letter, or a 5-letter code that is created by using the 26 letters of the alphabet. Which of the following gives the maximum number of different bonds that can be designate with these codes?
Options:
(A) 26(26^3 + 26^4) 
(B) 26(26^3 + 26^5) 
(C) 27(26^3 + 26^5) 
(D) 27(26^3)  + 26^5
(E) 26^3 + 27(26^5)  Let's think first. Some random reasoning: 