What is 497 140.4+ 10? 497.1404
4,971,404
49,714.04
497,140,400

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

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¯¯¯¯¯¯¯¯)?

Write a story that matches with the expression 42x-5 pls hurry