Question

3. By what number should (-9)power -1 be divided so that the quotient is (18)power -1​

Answer 1

Answer:

Hi there mate!!!

let me help you

see, first of all let me tell you that whenever a number has a negtive value, that means the number will be the denominator of a fraction with the same power but possitive.

For eg..

X^-1= 1 / X^1

X^-5 = 1/X^5

NOW THE ANSWER OF YOUR QUESTION IS AS FOLLOWS:-

let the number to be divided be x

:.A.T.G.( ACCORDING TO THE QUESTION):-

(-9)^-1/x= (18)^-1

x/-9= 1/18

x= 1/18 × -9

x= -1/2

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Answer 2

Answer:

quotient = ( 18 ) -1

given no = ( -9) -1

the required no = Quotient ÷ given no

( 18 ) -1 ÷ ( -9 ) -1

-1/ 18 × 9/ -1 = -2 ans