Question

2. Find each of the following products:
(a) 2 * 3 * (-8)
(b)(-5) -7*-4) (c) (-6)*(-7) (-9)
(d) (-11) (21) * O * (-34) (e) (-2)*(-5)*(4)*(-10)
3. Simplify using suitable properties of multiplication of integers:
(a) (-3) * 5+(-3) 3 (b) 7*(-13) + 7*(-10) (c) 10*(-4) + 5*(-4)
(d) (-12) (-7)+(-12) (-3) (e) 16 * (-68) + 16*(-32)
4. In a competitive examination, 5 marks are awarded for each correct answer, 2 marks are
deducted for each incorrect answer and no marks are given for a question which is not attempted.
(a) Nishi appeared in the examination and attempted 12 questions correctly and 5 questions
incorrectly. However she did not attempt 3 questions. What will be her score?
(b) Rohan attempted 7 questions correctly and 9 questions incorrectly. He did not attemp
4 questions. What will be his score?
5. A company is producing two products A and B. The company makes a profit of 52 p
unit on A and a loss of 10 per unit on B. If the company sells 3,600 units of product A a
4.000 units of product B, find the profit or loss of the company due to the sale.​

Answer 1

Answer:

OMG !!.......

It is a big question

Answer 2

Answer:

2*3(-8)

6*(-8)

-48

अंसर