3. On a map, information is
given:
The distance mesured is sucm
The scals is a 1:44ooo
find actual distance in kilometer. answer this question can you give this quiz on answer ​

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Look at attachment. has all info needed. need

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?