.0000172
17 squared = 172 = 289
Writing a number in standard form simply means to express the number in its 'normal' form. Therefore, your example is written in standard form.
100
9/172 is the simplest form.
The product is: 172
172 ÷ 32 = 5.38 or 5 times with a remainder of 12.
172 x 84 = 14,448
172 x 78 = 13416
172
27 goes into 172 six times with a remainder of 10.
172 ÷ 20 = 8.6 or 8 times with a remainder of 12.
It goes: 172/14 = 12 times with a remainder of 4