Question

simplify 4 under root 625 - 4 3 under root 64 +20 5 under root 32

Answer 1

(4 root 625) - (43 root 64) + (205 root 32)

=(4 × 25) - (43 × 8) + (205 × 5.66)

=100 - 344 + 1160.3

=916.3