Question

 √64009=253, then√6.4009is​

Answer 1

Answer:

2.53

as root 64009 is 253 so root of 6.4009 should be 4 decimals to the left of root 64009.

therefore root 6.4009 is 2.53

Answer 2

Answer:

64009^1/2 = 253

square on both sides

64009 = 253 ^2

divide by 10000 both sides

6.4009 = (253/100)^2

apply square root both sides

6.4009^1/2 = 2.53