Datrys (5-1)^-2*(2^4*5^7)

$$( 5 - 1 ) ^ { - 2 } \times ( 2 ^ { 4 } \cdot 5 ^ { 7 } )$$

Enrhifo

$$78125$$

Camau Ateb

Tynnu 1 o 5 i gael 4.

$$4^{-2}\times 2^{4}\times 5^{7}$$

Cyfrifo 4 i bŵer -2 a chael \frac{1}{16}.

$$\frac{1}{16}\times 2^{4}\times 5^{7}$$

Cyfrifo 2 i bŵer 4 a chael 16.

$$\frac{1}{16}\times 16\times 5^{7}$$

Lluosi \frac{1}{16} a 16 i gael 1.

$$5^{7}$$

Cyfrifo 5 i bŵer 7 a chael 78125.

$$78125$$

Ffactor

$$5^{7}$$