Вопрос:

1.3. Дәрежеге шығаруды орындаңдар: 1) (1/2)^2; 2) (−1/2)^5; 3) (−2/3)^2; 4) 0,3^3; 5) 0,1^3; 6) (1 1/2)^4; 7) (−3/4)^3; 8) (2 1/2)^3.

Ответ:

  1. \(\left(\frac12\right)^2=\frac14\).
  2. \(\left(-\frac12\right)^5=-\frac1{32}\).
  3. \(\left(-\frac23\right)^2=\frac49\).
  4. \(0.3^3=0.027\).
  5. \(0.1^3=0.001\).
  6. \(1\frac12=\frac32\), сондықтан \(\left(1\frac12\right)^4=\left(\frac32\right)^4=\frac{81}{16}=5\frac1{16}\).
  7. \(\left(-\frac34\right)^3=-\frac{27}{64}\).
  8. \(2\frac12=\frac52\), сондықтан \(\left(2\frac12\right)^3=\left(\frac52\right)^3=\frac{125}{8}=15\frac58\).

Жауап: 1) 1/4; 2) −1/32; 3) 4/9; 4) 0,027; 5) 0,001; 6) 5 1/16; 7) −27/64; 8) 15 5/8.