Answer:
Noah mistakenly added 25 and 7 in denominator instead of subtracting in the third step.
Step-by-step explanation:
Noah had to rationalize the denominator of 
According to him,

Solving the nominator and denominator

Noah did correctly till this point.
In the next step he add 25 and 7 in the denominator, whereas, it should be subtracted.
Hence,
Noah mistakenly added 25 and 7 in denominator instead of subtracting in the third step.
The square root of 150 is 12.2474487139. The square root of 136 is 11.6619037897. And your welcome :)
yes but no because you would have to put a 6 at the end so it should look like this.406.84375
Answer:
13 windows
Step-by-step explanation:
10 1/2 divided by 3/4=13.6666666667