Question

Daje naj za obliczenia

Zad.1 Oblicz

(-11)^{2} =
(0,5)^{2} =
(1\frac{3}{4})^{3} =
10^{-9} =
(-\frac{4}{7})^{-2} =

Zad.2 Podane iloczyny przedstaw w postaci potęgi
(\frac{2}{5})^{5} x (\frac{2}{5})^{9} x (\frac{2}{5})^{7} =
c^{-9} x c^{7} x c^{-4} x c^{3}
7^{9} x 3^{9} x 8^{9}
45^{4} x 20^{4} x a^{4}

Zad.3 Podane ilorazy przedstaw w postaci potęgi
\frac{25^{20}}{25 ^{5}} =
d^{50} : d^{37} =
10^{-12} : 10^{-12} =
\frac{7^{-9}}{7^{5}} =
(-3,9)^{6} : (1,3)^{6} =
\frac{12^{9}}{4^{9}} =
\frac{(2\frac{1}{3})^{5}}{(1\frac{2}{5})^{5}} =

Zad.4 Oblicz
(5^{2} x 5^{8} x 5^{4}) : (5^{6} x 5^{4} x 5^{2}) =
\frac{(-3)^{16} : (-3)^{8}}{(-3)^{12} : (-3)^{7}} =
(-4,5)^{7} x (-4,5)^{13} : [(-4,5)^{4}]^{5} =
(\frac{1}{4})^{100} x 4^{100} =
(2^{2} x 3^{2} x 4^{2} x 5^{2})^{3} : (3^{2} x 8^{2} x 10^{2})^{3}

Zad.5
Podaną liczbę zapisz w postaci dziesiętnej:
0x10^{0} + 2x10^{-2} + 5x10^{-4} + 8x10^{-6}