Question

Which number is rational?

A. Square root of 5
B. 0.777....
C. Pie
D. 0.36458121....

Answer 1

7/9

Explanation:

0.777 .... is a repeating decimal fraction. You can verify that 7/9 comes out to 0.777 ....

7/9 is rational and is thus the answer to this questionl

Answer 2

Option B: 0.777.....

Explanation:

Because a rational number in decimal format is indicated by two terms, weather it should be terminating or recurring.

By terminating we mean that it has a limited integers in decimal part.

By recurring we mean that a specific number or group of numbers in decimal part is repeating in regular intervals such as 7.456456456...

As:

Option B is not terminating decimal but it is recurring decimal so it is a rational number.

i hope it will help you!