Question

Simplify questions ​

Answer 1

Step-by-step explanation:

solution is provided in above pic

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Answer 2

Step-by-step explanation:

(9^4×9^6/9^8)^3÷(-1/3^2)

=(9^4+6-8)^3÷(-1/3^2)

=(9^2)^3÷(-1/3^2)

=9^5÷(-1/3^2)

=3^10÷(-3^-2)

=3^10-(-2)

=3^12