(a) Write down the binomial expansion of \((2 - x)^{5}\) in ascending powers of x. (b) Use your expansion in (a) to evaluate \((1.98)^{5}\) correct to four ...

(a) Write down the binomial expansion of \((2 - x)^{5}\) in ascending powers of x.

(b) Use your expansion in (a) to evaluate \((1.98)^{5}\) correct to four decimal places.

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