Math, asked by palsamriddhi452, 3 months ago

(7^-1+8^-1+9^-1)^0÷ (-1/9)^-2

Answers

Answered by poorviujawane

1

Answer:

1/81

Step-by-step explanation:

because 1st bracket has whole power 0 and anything power 0 is 1

(-1/9)^-2=81

1/81 is answer

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