Jupiter has an average distance of 486,000,000 miles from the sun. What is the distance in scientific notation

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?

What is the y-intercept of the line given by the equation

That table shows measurements (in invhes$ from cubes with different side lengths. which pairs of variables have a linear relationship? check all that apply