100 × ___ = −500

100 × ___ = −500

रिक्त स्थान भरें

100 × −5 = −500

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अध्याय 1: Number System - Exercise 1.3 [पृष्ठ २१]

अध्याय 1 Number System
Exercise 1.3 | Q 1. (iii) | पृष्ठ २१

For any integer a, what is (− 1) × a equal to?

Starting from (−1) × 5, write various products showing some pattern to show (−1) × (−1) =1.

Replace the blank with an integer to make it a true statement.

_____ × (–12) = 132

8 × (−4) = 32

Which of the following expressions is equal to −30

Say true or false.

The product of two negative integers is a positive integer

88 × ______ = –88

(–1) is not a multiplicative identity of integers.

Match the following:

Column I	Column II
(a) a × 1	(i) Additive inverse of a
(b) 1	(ii) Additive identity
(c) (–a) ÷ (–b)	(iii) Multiplicative identity
(d) a × (–1)	(iv) a ÷ (–b)
(e) a × 0	(v) a ÷ b
(f) (–a) ÷ b	(vi) a
(g) 0	(vii) –a
(h) a ÷ (–a)	(viii) 0
(i) –a	(ix) –1

Determine the integer whose product with (–1) is 0.