Which statement shows that 5.78 is a rational number? a. 5.78=5.787878 b. 5.78=5.78 c. 5.78=5 26/45 d. 5.78=5 26/33

A.

Step-by-step explanation:

We have been given a number 5.78. We are asked to choose the correct statement which shows that 5.78 is a rational number.

Upon looking at our given choices, we can see that only option A is the correct choice as it has repeating digits (78) after decimal.

We know that a number with repeating decimals can be written as a fraction, therefore, option A is the correct choice.