[tex]7 \times 7 {}^{4 } = [/tex]


Răspuns :


[tex] 7\times 7 \times {7}^{3} = 7 \times 7 \times 7 \times {7}^{2} =[/tex]
[tex] = 49 \times 7 \times 49 = 343 \times 49 = [/tex]
[tex] = 16807[/tex]


7•7⁴= 7^5 = 16807.....