Question

9. By what number should (- 9)^-1 be divided to get the quotient (18)^-1 "?
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Answer 1

Answer:

When we divide -9 by -1/2 then we get quotient 18

Step-by-step explanation:

Answer 2

Step-by-step explanation:

-9^-1 = 1/-9

quotient = 18^-1 = 1/18

so, 1/-9 ÷ -9 =1/18

Therefore -9 must be the number with -9^-1 so as to get 18^-1 as quotient