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Use of a Calculator – answer

June 7, 2017

Workout

Question 1:

(a)  784      (b)  1331      (c)  6561      (d)   729     (e)   2562890625

(f)  1        (g)  8192      (h)  25          (i)   -10648    (j)   9025

Question 2:

(a)  24      (b)  33       (c)  467       (d)  100      (e)   21

(f)  3       (g)  16        (h)  5        (i)  2

Question 3:

(a)  49.583      (b)  3.257      (c)  825.413

(d)  9.097        (e)  4.22        (f)  7.245

Question 4:

(a)   0.67308     (b)  3.53333    (c)  0.45597

(d)  0.07785      (e)  3288.75824    (f)  13.45833

(g)  3.18963      (h)  9.11429     (i)  23.55143

Question 5:

(a)  119.8501873

(b)  11.39399003

(c)  3.645919208

(d)  8.430911001

(e)  -0.6033015114

(f)  11.06775107

Question 6:

(a)  100      (b)  10     (c)  4     (d)  8     (e)  -0.6   (f)  10

Apply

Question 1:  Jamie didn’t type in the brackets, so he got a negative result instead of a positive one (which it should be)

Question 2: Hannah has forgotten about BODMAS! The squaring happens before the subtraction. The calculator has done the calculation in the correct one.

Question 3:  Simon should press the S=D button.

 

 

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