Datrys 81*10^-5m

$$81 \times 10 ^ { - 5 } m$$

Enrhifo

$$\frac{81m}{100000}$$

Camau Ateb

Cyfrifo 10 i bŵer -5 a chael \frac{1}{100000}.

$$81\times \frac{1}{100000}m$$

Lluosi 81 a \frac{1}{100000} i gael \frac{81}{100000}.

$$\frac{81}{100000}m$$

Gwahaniaethu w.r.t. m

$$\frac{81}{100000} = 0.00081$$

Camau gan Ddefnyddio Diffiniad o Ddeilliad

Cyfrifo 10 i bŵer -5 a chael \frac{1}{100000}.

$$\frac{\mathrm{d}}{\mathrm{d}m}(81\times \frac{1}{100000}m)$$

Lluosi 81 a \frac{1}{100000} i gael \frac{81}{100000}.

$$\frac{\mathrm{d}}{\mathrm{d}m}(\frac{81}{100000}m)$$

Deilliad ax^{n} yw nax^{n-1}.

$$\frac{81}{100000}m^{1-1}$$

Tynnu 1 o 1.

$$\frac{81}{100000}m^{0}$$

Ar gyfer unrhyw derm t ac eithrio 0, t^{0}=1.

$$\frac{81}{100000}\times 1$$

Ar gyfer unrhyw derm t, t\times 1=t a 1t=t.

$$\frac{81}{100000}$$