Question 1(c) Find the following product: (- 21) × (- 30)
Product of two negative integers is positive. (- 21) × (- 30) = 630
Question 1(d) Find the following product: (−316)×(−1)
Question 1(a) Find the following product: 3 × (-1)
Question 80 (ii)
Find the product of −2211 and −2111.
Question 12 To get the product 1, we should multiply 821 by (a) 821 (b) −821 (c) 218 (d) −218