Question

(-4) + 6 - (18)
(b) L.H.S. = 13- (-28) - 16
= 13+28 - 16
41 - 1625
Since 25 < 41
147+1-9
R.H.S. - 16 - (-42) - 17
1642 - 17
58 - 17 - 41
(-4) + 6 - 18
14- 7+(-9)
Us
Exercise: 1.7
Jo
Arrange the following in descending order and mark them on a number line
(i)3, -6,-4, 2, - 1
(ii) 12,- 15, 21, - 23, - 18
Evaluate:
(a)- 48 + (-16)
(b) 49 + (-23)
(c)- 15-(-19)
(d) (-31)-(-52) + (-41)
plane is flying at a height of 2000 m above sea level. At a particular point, it is exactly
submarine floating 1400 m below the sea level. What is the vertical distance between​

Answer 1

Answer:

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