Question

evaluate 4÷(216)⅔ - 1 ÷ (256)¾​

Answer 1

$= 4 \div {216}^{ \frac{2}{3} } - 1 \div {256}^{ \frac{3}{4} }$

$= 4 \div { \sqrt[3]{216} }^{2} - 1 \div { \sqrt[4]{256} }^{3}$

$= 4 \div {6}^{2} - 1 \div {4}^{3}$

$= 4 \times \frac{1}{36} - 1 \times \ \frac{1}{64}$

$= \frac{1}{9} - \frac{1}{64}$

$= \frac{64 - 9}{576}$

$= \frac{55}{576}$

$= 0.095$

$= 0.10$

Hope this answer helps you..........

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