Is 72 a whole numbers

The question is asking if 72 is a whole number.

The answer is Yes, 72 is a whole number.

Step-by-step explanation:

72 is a whole number because it has no non-zero digit after the decimal point.

answer: what do you mean

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have