Question

2,5:10=... 2,5:100=.... 1,5:1000=... ​

Answer 1

$2.5 \div 10 = 0.25 \\ 2.5 \div 100 = 0.025 \\ 1.5 \div 1000 = 0.0015$

Answer 2

2,5:10=0,25

2,5:100=0,025

1,5:1000=0,0015