Answer:
77
Step-by-step explanation:
I did the question and I got it correct.
Answer:

Step-by-step explanation:
We want to find the square root of 50;
We need to first rewrite 50 as a prime factorization.

We now split the square root to get:

Take square root to get:


To the nearest tenth we have 
Answer:
C.
Step-by-step explanation:
Answer: The difference is,

Step-by-step explanation:
Given expression is,

By distributive property,

Combine like terms( that have the same variables and powers ),

Which is the required result.
Hence, option third is correct.