Question

II. Fill in the blanks: 1. The numbers and are their own reciprocals. 2. The product of a number and its reciprocal is always 3. The sum of a number, and its negative is always is the multiplicative identity. 5. is the additive identity. IIL True or False. 1. Rational numbers are not closed under multiplication. 2. Rational numbers are always associative under division. 3. There are only two rational numbers lying between 1 and 4. 4. The negative of a positive rational number is positive) 5. The product of a number and its reciprocal is either 1 or -1. IV. Match the Following: Column A Column B 1. (a - b) is a rational number 2. a +0=0+ara 3. ax (b + c)= axb+axc 4. axb=bxa a) Distributive property b) Associative property c) Closure property d) Commutative property e) Additive identity 5. a+(b + c)= (a + b)+c​

Answer 1

Answer:

(1)The value of ‘g’

(i)Increases as we go above the earth’s surface

(ii)Decreases as we go to the centre of the earth

(iii)Remains constant

(iv)Is more at equator and less at poles