Is 40.16 rational

Answer 1

All rational numbers can be expressed as one whole number over another whole number.

40.16 = 4016/100 = 1004/25

1004 is a whole number, 25 is a whole number, which means 1004/25, another way of writing 40.16, is one whole number over another whole number;

→ Yes, 40.16 is a rational number

Answer 2

YES !!!!!

Think of all numbers to be rational except, those decimal numbers tha go to infinity AND there is no regular order in the decimal digits.

pi = 3.141592.... is the most well known irrational number.

However.

123.123123123..... Is rational because the decimal digits are in a regular order.