Pls help me with this question!!!

6.25

Step-by-step explanation:

100-50=50

50 percent of 50 is 25

50-25=25

50 percent of 25 is 12.5

25-12.5=12.5

50 percent of 12.5 is 6.25

i did it 4 times so 6.25 is the answer

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d