# Posts by samer

Total # Posts: 3

**College algebra**

Use descartes rule of sign to determine the possible number of positive real zeros and possible number of negative 6x^5-6x^4+7x^3-8

**Physics**

i am try to solve this question but answer is different and it equal 16960 *10^-27

**Physics**

charge dose (450.85)*10^3

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