Please help middle school math​

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount