Move the decimal to the right for positive exponents, and the left for negative exponents. 1.23 x 10^3 = 1230 1.23 x 10^-3 = 0.00123
1.23 * 10^3 1.23 times 10 to the third power
1230, 2460, 3690, 4920, 6150, 7380 +1230 . . .
1230 deg C = 1230+273.15 = 1503.15 K
1230/5 = 246
123
82
I think 1.230is bigger than .1230.
Because 1230 - 23 > 0
Answer: 1230 mi. = 1979.493 km
To determine how many groups of ten are in the number 1230, we divide 1230 by 10. The result is 123, which means there are 123 groups of ten in 1230. Each group represents a multiple of 10 within the number 1230.
1 km = 1000 m so 1230 km = 1230*1000 = 1,230,000 metres. Simple!