Question

625^(0,25) - 1,5 x 100^(3/2) +0,25 ^(-2,5)

Answer 1

... = 625^(1/4) - 1,5 x (100^3)^(1/2) +(1/4) ^(-5/2) = ⁴√625 - 1,5 x (1 000 000)^(1/2) + 4^(5/2) =

 

5 - 1,5 x √1 000 000 + (4^5)^(1/2) = 5 - 1,5 x 1 000 + √4^5 =5 - 1 500 + √(4² x 4² x 4) = 

 

- 1 495 + 4 x 4 x 2 = - 1 495 + 32 = - 1 463