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Simplify: (55)4
59
205
5625
520
Simplify: √125 + √45
9√5
15√5
8√5
√170
What is the value of 10-2?
1/100
-100
-1/100
100
What is the value of 163/4?
6
8
16
12
What is the value of 120 + 121?
1
24
13