Question

8.Fill in the blanks
(i) ____ ÷ (-3)= (-4/15)
(ii) The numbers __________ and __________ are their own reciprocals (iii) The reciprocal of 1 is __________.
(iv) (1/2) ÷ (2/3) =__________.
(v) The product of two rational numbers is always a __________.
(vi) The reciprocal of a negative rational number is __________.

Answer 1

Answer:

i)-4/5 is the correct

answer

Answer 2

Answer:

(i) 4/5, (ii) 1 and -1, (iii) 1, (iv) 3/4, (v) rational, (vi) negative

Explanation:

(i) ____ ÷ (-3)= (-4/15)

____ = -4/15* -3

= 4/5

(ii)  if we take 1 and -1, their reciprocals are will be 1/1 and 1/-1, these are equal to 1 and -1 only. Hence, these numbers are their own reciprocals

(iii) The reciprocal of 1 is 1/1 that is 1 only.

(iv) (1/2) ÷ (2/3) =__________.

(1/2) ÷ (2/3) = (1/2) x (3/2) = 3*1/2*2 = 3/4

(v) The product of any two rational numbers is always a rational number only.

(vi) The reciprocal of a negative rational number is negative.

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