5x^-2y^3*10x^-3y^-4 eching

$$5 x ^ { - 2 } y ^ { 3 } \cdot 10 x ^ { - 3 } y ^ { - 4 }$$

Baholash

$$\frac{50}{yx^{5}}$$

Ko'paytirishning kommutativ xususiyatdan foydalanish qadamlari

Ifodani qisqartirish uchun eksponent qoidalaridan foydalanish.

$$5^{1}x^{-2}y^{3}\times 10^{1}x^{-3}y^{-4}$$

Ko'paytirishning kommutativ xususiyatidan foydalanish.

$$5^{1}\times 10^{1}x^{-2}x^{-3}y^{3}y^{-4}$$

Ayni daraja ko'rsatkichlarini ko'paytirish uchun ularning darajalarini qo'shing.

$$5^{1}\times 10^{1}x^{-2-3}y^{3-4}$$

-2 va -3 belgilarini qo'shish.

$$5^{1}\times 10^{1}x^{-5}y^{3-4}$$

3 va -4 belgilarini qo'shish.

$$5^{1}\times 10^{1}\times \frac{1}{x^{5}}\times \frac{1}{y}$$

5 ni 10 marotabaga ko'paytirish.

$$50\times \frac{1}{x^{5}}\times \frac{1}{y}$$

x ga nisbatan hosilani topish

$$-\frac{250}{yx^{6}}$$