Issolvi 3(8^-1)^5-4^2

$$3 ( 8 ^ { - 1 } ) ^ { 5 } - 4 ^ { 2 }$$

Evalwa

$$-\frac{524285}{32768}\approx -15.999908447$$

Passi tas-Soluzzjonijiet

Biex tgħolli l-qawwa ta' numru għal qawwa oħra, immultiplika l-esponenti. Immultiplika -1 u 5 biex tikseb -5.

$$3\times 8^{-5}-4^{2}$$

Ikkalkula 8 bil-power ta' -5 u tikseb \frac{1}{32768}.

$$3\times \frac{1}{32768}-4^{2}$$

Immultiplika 3 u \frac{1}{32768} biex tikseb \frac{3}{32768}.

$$\frac{3}{32768}-4^{2}$$

Ikkalkula 4 bil-power ta' 2 u tikseb 16.

$$\frac{3}{32768}-16$$

Naqqas 16 minn \frac{3}{32768} biex tikseb -\frac{524285}{32768}.

$$-\frac{524285}{32768}$$

Fattur

$$-\frac{524285}{32768} = -15\frac{32765}{32768} = -15.999908447265625$$