The centi- prefix means one hundredth
→ 1 cm = 1/100 m
→ 40 cm = 40 × 1/100 m = 0.4 m
→ 52 m 40 cm = 52 m + 0.4 m = 52.4 m
To convert from cm to meters, you simply divide by 100.
.52
0.052
0.08
0.052
It is: 52/100 or 0.52 as a decimal
It need not be: you could write it as 52/1000 and in that form it would be a ratioonal fraction, not a decimal fraction.
It is 0.052
0.52
0.052
52/60, or 13/15, is written as 0.8666666666... in decimal form.
52,040 ----------
It is: tan(52)*9 = 11.519 meters rounded to three decimal places