Question

${3}^{25} + {3}^{26} + {3}^{27} + {3}^{28}$

Answer 1

Heya Friend !!

Here is you answer,
${3}^{25} + {3}^{26} + {3}^{27} + {3}^{28} \\ = {3}^{25} (1 + 3 + {3}^{2} + {3}^{3} ) \\ = {3}^{25}(4 + 9 + 27 ) \\ = {3}^{25} \times 40$
Hope this will help You.