Write 0.0000126 in scientific notation

The actual width ( w) of a regulation soccer field is 90 meters (m), and the actual length is 120 meters (m). a coach has drawn a scale model of the field on a blackboard. if the longest side of his drawing is 18 cm, how long is the other side of the drawing( w)?

Write the fraction or mixed number and the decimal shown by the model

Write the equation in logarithmic form e^x=403.429