Q.2.    Simplify and express each of the following in exponential form:

            (iv)\: \frac{3\times 7^{2}\times 11^{8}}{21\times 11^{3}}

Answers (1)

(iv)\: \frac{3\times 7^{2}\times 11^{8}}{21\times 11^{3}}

can be simplified as 

= \frac{3\times 7^{2}\times 11^{8}}{3\times 7\times 11^{3}}

=3^{(1-1)}\times 7^{(2-1)}\times 11^{(8-3)}

=3^{0}\times 7^{1}\times 11^{5}

=7^{1}\times 11^{5}

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