Question

1. Represent the following using integers with proper sign: (a) 3 km above sea level(b) A los
500
2. Find the sum of the pairs of integers: (a) - 6,-4 (b) +3,- 4(c) +4, -2
3. Find the sum of -2 and -3, using the number line
4. Subtract: (1) 3 from -4 (1) -3 from-4
5. Using the number line, subtract. (a) 2 from --3(b)-2 from-3.
6. How many integers are there between -9 and -2?
7. Calculate: 1 - 2 + 3 - 4 +5 - 6+ 7 - 8 + 9-10
8. The sum of two integers is 47. If one of the integers i5-24. find the other.
9. Write the digits 0, 1, 2.3.4.5.6, 7, 8 and 9 in this order and insert'+'or between the
the result(a) 5(b) -3
10. Compute each of the following
(a) 30 + (-25) + (-10)
(b)(-20) + (-5)
(c) 70+ (-20) + (-30)
(d) -50 +(-50%+ 50​

Answer 1

Answer:

(a) 3 km above sea level = +3 km

(b) A loss of Rs 500 = -500

Step-by-step explanation:

mark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlistmark me as brainlist