What three numbers that are between 0.8 meter and 0.9 meter in decimal?

Answer 1

There are an infinite quantity of numbers between 0.8 & 0.9.

Here are nine.

0.81

0.82

0.83

0.84

0.85

0.86

0.87

0.88

0.89

And, of course, you can add as many decimals as you want. That is what makes the quantity infinite. For example:

0.831256484868392823465063023043468598034851