A speck of dust is 1.2 x 10-6 m wide. Which of the following is the best way
to rewrite this quantity, using more appropriate units ?
A. 1.2×10-6m
B. 1.2×10-4cm
C. 1.2×10-9km
D. 1.2×10-3mm

15 point ! ~ see if you know the answer to both you!

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

Need same math paper but the back now i hope your able to read it cleary i need with hw