Math, asked by selinaa27, 1 year ago

Simplify and express with positive exponent [(9/11)^-3*(9/11)^-7]/(9/11)^-3

Answers

Answered by dhaliwalsaab97

Answer:

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Answered by rituaggarwal31

Answer:

Step-by-step explanation:

[(9/11)^-3 * (9/11)^-7] /(9/11)^-3

Using a^m*a^n = a^m+n

[9/11^-3+(-7)]/ 9/11^-3

[9/11^-10]/ 9/11^-3

Using a^m/a^n= a^m-n

9/11^-10-(-3)

9/11^-10+3

9/11^-7 answer

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rituaggarwal31: OK

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rituaggarwal31: thanks

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