(5-¹×7²÷5²×7-⁴)-7/2 × (5-²×7³÷ 5³×7to the power -5) -5/2
Simplify:
(i) (16−15)52
(ii) 5√(32)−3
(iii) 3√(343)−2
(iv) (0.001)13
(v) (25)32×(243)35(16)54×(8)43
(vi) (√25)8÷(√25)13
(vii) (5−1×7252×7−4)72×(5−2×7353×7−5)−52