Question

Which one is it , please tell me .

Answer 1

Its the first one

Explanation:

First you can cross out the 2 since they have the models that equal to 1 whole

now imma go over the decimal values

the first one over is 10ths then

the 2nd one over is 100ths

and then the 3rd one over is 1000ths.

This lets you know how many are going to be in one of the values.

Extra Help:

When doing these make sure to count how many cube models.

Answer 2

It is the first one with one of everything