7*10^-5+89*10^-9-3*10^-5= eching

$$7 \times 10 ^ { - 5 } + 89 \times 10 ^ { - 9 } - 3 \times 10 ^ { - 5 } =$$

Baholash

$$\frac{40089}{1000000000}=0,000040089$$

Yechim qadamlari

-5 daraja ko‘rsatkichini 10 ga hisoblang va \frac{1}{100000} ni qiymatni oling.

$$7\times \frac{1}{100000}+89\times 10^{-9}-3\times 10^{-5}$$

\frac{7}{100000} hosil qilish uchun 7 va \frac{1}{100000} ni ko'paytirish.

$$\frac{7}{100000}+89\times 10^{-9}-3\times 10^{-5}$$

-9 daraja ko‘rsatkichini 10 ga hisoblang va \frac{1}{1000000000} ni qiymatni oling.

$$\frac{7}{100000}+89\times \frac{1}{1000000000}-3\times 10^{-5}$$

\frac{89}{1000000000} hosil qilish uchun 89 va \frac{1}{1000000000} ni ko'paytirish.

$$\frac{7}{100000}+\frac{89}{1000000000}-3\times 10^{-5}$$

\frac{70089}{1000000000} olish uchun \frac{7}{100000} va \frac{89}{1000000000}'ni qo'shing.

$$\frac{70089}{1000000000}-3\times 10^{-5}$$

-5 daraja ko‘rsatkichini 10 ga hisoblang va \frac{1}{100000} ni qiymatni oling.

$$\frac{70089}{1000000000}-3\times \frac{1}{100000}$$

\frac{3}{100000} hosil qilish uchun 3 va \frac{1}{100000} ni ko'paytirish.

$$\frac{70089}{1000000000}-\frac{3}{100000}$$

\frac{40089}{1000000000} olish uchun \frac{70089}{1000000000} dan \frac{3}{100000} ni ayirish.

$$\frac{40089}{1000000000}$$

Omil

$$\frac{3 \cdot 7 \cdot 23 \cdot 83}{2 ^ {9} \cdot 5 ^ {9}} = 4,0089 \times 10^{-5}$$