271° Вправа 271Алгебра 8 клас Тарасенкова 2025 · § 8 · стор. 83

271. Запишіть як степінь з від’ємним показником:

${\displaystyle \frac{1}{a^n}=}$${\displaystyle a^{-n}}$.

1) ${\displaystyle \frac{1}{6^2}=}$${\displaystyle 6^{-2}}$;

2) ${\displaystyle \frac{1}{4^9}=}$${\displaystyle 4^{-9}}$;

3) ${\displaystyle \frac{1}{{11}^7}=}$${\displaystyle {11}^{-7}}$;

4) ${\displaystyle \frac{1}{5^5}=}$${\displaystyle 5^{-5}}$;

5) ${\displaystyle \frac{1}{{20}^{10}}=}$${\displaystyle {20}^{-10}}$;

6) ${\displaystyle \frac{1}{{21}^3}=}$${\displaystyle {21}^{-3}}$;

7) ${\displaystyle \frac{1}{{44}^{22}}=}$${\displaystyle {44}^{-22}}$;

8) ${\displaystyle \frac{1}{{100}^{20}}=}$${\displaystyle {100}^{-20}}$;

9) ${\displaystyle \frac{1}{x^4}=}$${\displaystyle x^{-4}}$;

10) ${\displaystyle \frac{1}{m^5}=}$${\displaystyle m^{-5}}$;

11) ${\displaystyle \frac{1}{p^8}=}$${\displaystyle p^{-8}}$;

12) ${\displaystyle \frac{1}{z^{11}}=}$${\displaystyle z^{-11}}$;

13) ${\displaystyle \frac{1}{n^{15}}=}$${\displaystyle n^{-15}}$;

14) ${\displaystyle \frac{1}{a^{40}}=}$${\displaystyle a^{-40}}$;

15) ${\displaystyle \frac{1}{c^{120}}=}$${\displaystyle c^{-120}}$;

16) ${\displaystyle \frac{1}{r^{200}}=}$${\displaystyle r^{-200}}$.