Question

3. Express the following :-

i) (1/3)-2 with positive exponent

ii) (9-4)3 as a single exponent of 9

iii) 2x3 x2x3 x 2x3 x2x3 in exponential form.

iv)79 in the product form​

Answer 1

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(i)

${( \frac{1}{3} )}^{ - 2} = {(3)}^{2}$

(ii)

${ {(9}^{ - 4} )}^{3} = {9}^{( - 4) \times 3} = {9}^{ - 12}$

(iii)

$(2 \times 3) \times (2 \times 3) \times (2 \times 3 )\times (2 \times 3) \\ = {(2 \times 3)}^{4} = {2}^{4} \times {3}^{4}$

(iv)

$79 = 79 \times 1$