Using the numbers 4.3, -1.07, and 2.197 write an expression containing both addition and subtraction that simplifies to a negative number

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

Can someone tell me if this is perpendicular? !

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?