Question

The simplified value of (81)power–1/4 × 4√81 × (81)power 0.2 is
(a) 9
(b) 3
(c) 1
(d) 0

Answer 1

Answer:

(A)

Step-by-step explanation:

(81)^-1/4* (81)^1/4*(81)^0.5

(81)^(-14+1/4+0.5) as base is equal we can add the exponent (81)^0.5 as -1/4 and 1/4 in the power gets canceled on addition

(sqrt 81) 9