Using and Managing Data and Information

Using and Managing Data
and Information

Task 1-
(a) 1.6 then (x) 1.6 then (x)
1.6 then(x) 1.6
(b) 786 then underroot 3
(c) 1 then (/) 1 then (+)
0.7 then x cube
2500 then x 5 raised to power ½
347.18 then (+) [Underoot]
343 then (/) 0.437
then (-) 2.28
Task 2-
(a) 5/2.40 * 7.86= 13.55(Approx.)
(b) 675/600 * 240= 270
Task 3-
(I) 5 raised to power 6
(II) 10 raised to power -7
(III) ½ raised to power 7
(IV) 2 raised to power 7
Task 4-
(1,1,10) (1,4,7)
(1,2, 9) (1,5,6)
(1,3,8)
Task 5
Values 2 and 1 shows that y is twice as fast as x and will move like that and even when x is 0 y
will be
(b) i) 3/-2
ii) y= 3/2x + 3
iii) if x is 5 then the value of y will be
(c) y= 3/2 x5+3 = y = 15+6/2 = 21/2
Task 6-
Width= 2x+3