Which is most precise 437 cm or 437 mm

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

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?

Use sigma notation to represent the following series for 9 terms.