Math, asked by pioneercivilcontract, 5 months ago

4/7power of -5 × 7/4power of -7

Answers

Answered by wwwanmolsingh1141315

1

Answer:

(

Step-by-step explanation:

(4/7)^-5×(4/7)^7=(4/7)^-5+7=(4/7)^2=16/49

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