Question

11) Add 8 and -12 using number line. 12) Find the product of (-30) × (-70) * 15. 13) How many (-4)'s are there in (-20)? 14) Find the value of: i) 35-(-64) ii) -200 - (+100). 15) During summer, the level of the water in a pond decreases by 2 inches every week due to evaporation. What is the change in the level of the water over a period of 6 weeks? 16) Find two pairs of integers whose product is +15.​

Answer 1

Step-by-step explanation:

2. (-30) × (-70) × 15 = 31,500

3. 5

4. i) 99 ii) 300

5.