Sagot :
Answer:
1. 2.236
2. 7
Step-by-step explanation:
1.the square root of 5 is 2.236.
therfore,3 square root of 5 is equal to 3 times 2.236 is equal to 6.708.
2. 49 is a perfect square number which can be obtained by a square of 7 and it is also a composite number.hence the square root of 49 is a rational number.