Question

Calculati $3* ( 3^{10})^{2} + 2* 3^{30}: 3^{10} + 4* 3^{14} * 9^{3}$

Answer 1

3*(3^10)^2+2*3^30:3^10+4*3^14*9^3=
=3*(3^20)+2*3^20+4*3^14*3^6=
=3^21+2*3^20+4*3^20=
=3^20(3+2+4)=
=3^20 *9=
=3^20 *3^2=
=3^22