Earth’s diameter is approximately 12,760,000 meters. what is that number in scientific notation?

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

If two lines form congruent alternate interior angles with a transversal, then the lines