5а^6*а^4*b^6=5a^10*b^6

Объяснение:

[tex]5 {a}^{6} \times ({a}^{ - 2} {b}^{ - 3} {)}^{ - 2} = 5 {a}^{6} \times {a}^{4} {b}^{6} = 5 {b}^{6} {a}^{10} [/tex]