Question 2(x)
Simplify and express each of the following in exponential form:
(x) $(\frac{a^{5}}{a^{3}}) \times a^{8}$

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Solution

(x) $(\frac{a^{5}}{a^{3}}) \times a^{8} = (a^{5 - 3}) \times a^{8} = a^{2} \times a^{8} [∵ a^{m} \div a^{n} = a^{m - n}]$
$= a^{2 + 8} = a^{10} [∵ a^{m} \times a^{n} = a^{m + n}]$

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Question 84 (d)

Simplify and express each fo the following exponential form.
$(\frac{a^{6}}{a^{4}}) \times a^{5} \times a^{0}$

(\frac{a^{5}}{a^{3}}) \times a^{8}

25^{4} \div 5^{3}

(2^{3} \times 2)^{2}

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