Am I cute? honest opinion second pic

What was the main aim of the northwest ordinance of 1787

The biome pictured above is found in areas such as kenya and south africa. the land is grass-covered with very few trees and gazelles and other grazers are common here. why does this biome have a low population of trees? a) large grazing animals destroy the trees. b) it is a deforested rainforest with poor soil. c) it has high temperatures and low precipitation. d) it has a long rainy season followed by flooding.

What is the power of 10 when 0.00503 is written is scientifically notation