Question

Which of the following rational numbers lies between -9 and -6?​

Answer 1

Answer:

we use this formula 1/2(a+b)

let a= -9 and b= -6

1/2( -9 + -6)

1/2 (-9-6)

1/2 =(-15)

1/2× -15

-15/2

= -7.5

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