679
The answer is 200,000,000
100,000 cm = 1 km so 679,000 cm = 6.79 km = 7 km
679 or .679 or, -679, -.679 Perhaps, but if by a is smaller then b you mean a < b, then you want to make a very negative number. If you are asked to use the four digits 9, 7, 6 and 9 each once, use -6^(7^(9^9)) which is just the negative of 6 to the power 7 to the 9 to the power p.
in Roman numerals:500 = D100 = C50 = L10 = X5 = V (not required here though)1 = Itherefore:600 = DC70 = LXXand 9 = IVthus, 679 = DCLXXIVAnother answer:In today's terms 679 converted into Roman numerals is DCLXXIX (500+100+50+10+10-1+10=679)
It is 679 square metres.
679
16000
680
It is: 679+200 = 879
700
The answer is 200,000,000
680
679
5 679/1000
252 679 6467
mabey about 2m (6.561 679 79 feet)