Question

find the value of (⅘)^-9÷(⅘)^-9​

Answer 1

(⅘)^-9

(⅘)^-9

= 1

...........

Answer 2

Answer:

$( \frac{4}{5} ) {}^{ - 9} \div ( \frac{4}{5} ) {}^{ - 9}$

according to the 4 rule of exponents and powers.

$a {}^{m} \div {a}^{n} = a {}^{m - n}$

$\frac{4}{5} ^{ - 9 - 9}$

$\frac{4}{5} {}^{ - 18}$

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