Question

Thank you for answering this question.

Answer 1

Note the rules

• a^m×a^n=a^m+n
• (a^m)^n=a^mn

`\\ \rm\Rrightarrow (7^(12)7^9)/((7^6)^3)`

`\\ \rm\Rrightarrow (7^(21))/(7^(18))`

`\\ \rm\Rrightarrow 7^3`

`\\ \rm\Rrightarrow 729`