Question

2. Find the value of
(1) 3276x13 - 3276)* 2
(ii) 8964 x (1 + 99) 8964
(it) 2314 (9 +2314)
3. Verify the following:
(1) 23 * {7 + (-2)} = 23 * 7 + 23 * (-2)
(ii) (-18) * [(-3) + (-5)] = [(-18) * (-3)] + [(-18) * (-5)
4. Determine the integer whose product with '-1' is
(i) 23
(ii) - 47
5. Using convenient grouping, evaluate :
(i) (5) * 19 (60)
(ii) 25 x 31 x (-4).
(iii) 97 * 25 * (-2) * (-4) (iv) (-2) * 4896 x (-5)
6. If a = 3, b = -2, c = -1, verify that:
(i) b * (a + c) = b * a + b c (ii) bxсxa = axbxc=cxax b
(iii) b × c = c xb
7. If '*' operation be defined as a * b = a × b - (a + b), evaluate :
(ii) (- 4) * (-6) (iii) 13 * (-6)
(iv) - 7 * 5
(i) 2 * 5​

Answer 1

Answer:

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