What advancements did ancient egyptians make in math and science

The system of ancient Egyptian numerals was used in Ancient Egypt around 3000 BC until the early first millennium AD. It was a system of numeration based on the scale of ten, often rounded off to the higher power, written in hieroglyphs, but they had no concept of a place-valued system such as the decimal system is. thats something in math. 

After a measles epidemic wiped out half of the native population, the Cayuse came to distrust Whitman because more sick natives died from measles than white settlers. This led to an attack on the mission on November 29, 1847.

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