Question

a) 14 x 20 calculate lower and upper bounds ​

Answer 1

Answer:

14×20

Step-by-step explanation:

14 lies in:13.5<x<14.5

20 lies in: 19.5<x<20.5

so the lower bound of calculation is,

13.5×19.5=263.25

and the upper bound of calculation is,

14.5×20.5=297.25

upper bound =297.25

lower bound =263.25

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