(b) The table below shows the overtime allowance obtained by a sample of 30 workers in a steel factory. Overtime allowance (RM) Number of workers 0- 99 100 – 199 200-299 4 5 300 - 399 6. 400 - 499 4 500 - 599 3 (i) Calculate the mean, median and standard deviation for the above sample.

Q: (-14) + (–7)

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A:

Q: 5. Expand and evaluate the following: (a) C (b) 5P3 (c) 100 4 (d) 100 4

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A: Solution

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A: we have to evaluate:

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A: topic- algebraic operations

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A: We will solve the problem.

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A: Please refer to the image below

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Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.