DCLVIII
It is 6.58, as in the question. But you could write it as 6.58*10^0.
Six hundred fifty-eight.
658 = (6 x 100) + (5 x 10) + (8 x 1)
658.
There are infinte amount of answers to that question, like: 640 + 18 = 658 201 + 457 = 658 303.5 + 354.5 = 658
88 + 658 = 746
658 = 6.58 hundreds
0.0456
658 out of 1095 = 0.6009132420091324
658 divided by 4 is 164.5
164.5