These concepts become more clear when teachers use number disks instead of base ten blocks. Place value is a very important concept for elementary students because base ten is the foundation of our number system.
The function will be

where y is the balance, and x is the number of month.
The raph will be a line on the xy-plain which starts at the point (0, 360), and end in the point (72, 0).
Hope it helps.
The answer is $990. Because 0.36 times 2750=990
Answer:
1
Step-by-step explanation:
The radius is half the size of the diameter.
2 / 2 = 1