ដោះស្រាយ 663*10^-34*3*10^8/300*10^-9

$$663 \times { 10 }^{ -34 } \times 3 \times \frac{ { 10 }^{ 8 } }{ 300 \times { 10 }^{ -9 } }$$

វាយតម្លៃ

$$\frac{663}{10000000000000000000}=6.63 \cdot 10^{-17}$$

ជំហានចម្លើយ

គណនាស្វ័យគុណ 10 នៃ -34 ហើយបាន \frac{1}{10000000000000000000000000000000000}។

$$663\times \frac{1}{10000000000000000000000000000000000}\times 3\times \frac{10^{8}}{300\times 10^{-9}}$$

គុណ 663 និង \frac{1}{10000000000000000000000000000000000} ដើម្បីបាន \frac{663}{10000000000000000000000000000000000}។

$$\frac{663}{10000000000000000000000000000000000}\times 3\times \frac{10^{8}}{300\times 10^{-9}}$$

គុណ \frac{663}{10000000000000000000000000000000000} និង 3 ដើម្បីបាន \frac{1989}{10000000000000000000000000000000000}។

$$\frac{1989}{10000000000000000000000000000000000}\times \frac{10^{8}}{300\times 10^{-9}}$$

ដើម្បីចែកស្វ័យគុណនៃគោលដូចគ្នា ត្រូវដក​និទស្សន្តរបស់ភាគបែងពីនិទស្សន្តរបស់ភាគយក។

$$\frac{1989}{10000000000000000000000000000000000}\times \frac{10^{17}}{300}$$

គណនាស្វ័យគុណ 10 នៃ 17 ហើយបាន 100000000000000000។

$$\frac{1989}{10000000000000000000000000000000000}\times \frac{100000000000000000}{300}$$

កាត់បន្ថយប្រភាគ \frac{100000000000000000}{300} ទៅតួដែលតូចបំផុតដោយ​ដក និងលុបចេញ 100។

$$\frac{1989}{10000000000000000000000000000000000}\times \frac{1000000000000000}{3}$$

គុណ \frac{1989}{10000000000000000000000000000000000} និង \frac{1000000000000000}{3} ដើម្បីបាន \frac{663}{10000000000000000000}។

$$\frac{663}{10000000000000000000}$$

ដាក់ជាកត្តា

$$\frac{3 \cdot 13 \cdot 17}{2 ^ {19} \cdot 5 ^ {19}} = 6.63 \times 10^{-17}$$