Question

the square root of which number is rational
a. 7.
b. 1.96
c. 0.04
d. 13​

Answer 1

Answer:

Step-by-step explanation:

square root of prime numbers are irrational

so root 7 and root 3 is irrational

1.96 and 0.04 's square root is rational

Answer 2

Option b and c - 1.96 and 0.04.

Step-by-step explanation:

To find : The square root of which number is rational ?

Solution :

Rational number is defined as number which is in p/q form where p and q are integers and q is non-zero.

Now, we square root the each number

a) 7

$\sqrt{7}=2.64575131106..$

It is an irrational number.

b) 1.96

$\sqrt{1.96}=1.4$

It is a rational number.

c) 0.04

$\sqrt{0.04}=0.2$

It is a rational number.

d) 13

$\sqrt{13}=3.60555127546..$

It is an irrational number.

Therefore, option b and c are correct.

#Learn more

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