Observe the following table and complete it:
Statement Observation
(i) 7 – 9 = – 2 Result is an integer
(ii) 17 – (– 21) = _______ ______________
(iii) (– 8) – (–14) = 6 Result is an integer
(iv) (– 21) – (– 10) = _______ ______________
(v) 32 – (–17) = _______ ______________
(vi) (– 18) – (– 18) = _______ ______________
(vii) (– 29) – 0 = _______ ______________
Answers
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Step-by-step explanation:
Observe the following table and complete it: Statement Observation (i) 7 – 9 = – 2 Result is an integer (ii) 17 – (– 21) = _______ ______________ (iii) (– 8) – (–14) = 6 Result is an integer (iv) (– 21) – (– 10) = _______ ______________ (v) 32 – (–17) = _______ ______________ (vi) (– 18) – (– 18) = _______ ______________ (vii) (– 29) – 0 = _______ ______________
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Answers
Q1
Express each of the following sets in
roster form :
(i) Set of odd whole numbers between 15 and 27.
(ii) A = Set of letters in the word CHITAMBARAM
(iii) B=All even numbers from 15 to 26
(iv) P=x : x is a vowel used in the word ARITHMETIC
(v) S=Squares of first eight whole numbers
(vi) Set of all integers between 7 and 94; which are divisible by 6.
(vii) C=All composite numbers between 2 and 20
(viii) D = Set of Prime numbers from 2 to 23.
(ix) E = Set of natural numbers below 30 which are divisible by 2 or 5.
(x) F = Set of factors of 24
(xi) G = Set of names of three closed figures in Geometry.
(xii)H ={x:x∈ W and x<10}
(xiii)J = {x:x∈ N and 2x3≤17}
(xiv)K = {x:x is an integer and 3<x<