Question

fill in the blanks
1) zero has ___reciprocal.
2)the reciprocal of a positive rational number is ____.
3)1+3+5+7+9--(____)
4)A number is divisible by _____ if it's a even number.
5)the square root of a cube root of 64 is ____.
​

Answer 1

Zero has No reciprocal.

(ii) The numbers 1 and -1 are their own reciprocals.

(iii) The reciprocal of −55 is

5

−1

.

(iv) Reciprocal of

x

1

, where x



=0 is x.

(v) The product of two rational numbers is always a Rational Number.

(vi) The reciprocal of a positive rational number is Positive Rational Number.