How do you read 1.019?

What is the answer to this problem 7 * 5/6

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?