Question

plz answer fast
class 9 based answer plz​

Answer 1

Answer:

1- √20×√5 = √100 = 10 .

2- √50 = 5√2

3- 4^√64 -² = (1/2)^6/4×2 = (1/2)³ = 1/8

4- (32/100000)-²/5 = (2/10)^5×-2/5 = (2/10)-² = (10/2)² = (5)² = 25 .

5- 0.12^— -0.1 ^— = 12-1= 11 or 0.11^—.