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
.52
0.052
0.052
0.08
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
52,040 ----------
52/60, or 13/15, is written as 0.8666666666... in decimal form.
52%26/50:= 26 ÷ 50= 0.52 in decimal= 0.52 * 100%= 52%
It is: (52-40)/52 times 100 = 23.08% decrease rounded to two decimal places