A website sells two brands of face paint. Brand A costs $3 for 4 fl oz. Brand B costs $7 for 10 fl oz. How much more per fluid ounce does Brand A cost than Brand B?

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?